Home / 85,334.63-128,001.94-23,005.13

Finding the Fourth Proportional to 85,334.63, 128,001.94 and 23,005.13

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Solution

The fourth proportional to 85,334.63, 128,001.94 and 23,005.13 is: 34,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334.63 : 128,001.94 = 23,005.13 : x
  2. Step 2: Convert to fraction form
    85,334.63/128,001.94 = 23,005.13/x
  3. Step 3: Cross multiply
    85,334.63x = 128,001.94 × 23,005.13
  4. Step 4: Simplify right side
    85,334.63x = 2,944,700,572.43
  5. Step 5: Solve for x
    x = 2,944,700,572.43/85,334.63
  6. Step 6: Final answer
    x = 34,507.69

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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.