Home / 85,203.59-127,805.38-26,038.76

Finding the Fourth Proportional to 85,203.59, 127,805.38 and 26,038.76

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Solution

The fourth proportional to 85,203.59, 127,805.38 and 26,038.76 is: 39,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,203.59 : 127,805.38 = 26,038.76 : x
  2. Step 2: Convert to fraction form
    85,203.59/127,805.38 = 26,038.76/x
  3. Step 3: Cross multiply
    85,203.59x = 127,805.38 × 26,038.76
  4. Step 4: Simplify right side
    85,203.59x = 3,327,893,616.53
  5. Step 5: Solve for x
    x = 3,327,893,616.53/85,203.59
  6. Step 6: Final answer
    x = 39,058.14

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.