Home / 85,241.53-127,857.67-26,077.20

Finding the Fourth Proportional to 85,241.53, 127,857.67 and 26,077.20

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Solution

The fourth proportional to 85,241.53, 127,857.67 and 26,077.20 is: 39,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.53 : 127,857.67 = 26,077.20 : x
  2. Step 2: Convert to fraction form
    85,241.53/127,857.67 = 26,077.20/x
  3. Step 3: Cross multiply
    85,241.53x = 127,857.67 × 26,077.20
  4. Step 4: Simplify right side
    85,241.53x = 3,334,169,901.74
  5. Step 5: Solve for x
    x = 3,334,169,901.74/85,241.53
  6. Step 6: Final answer
    x = 39,114.39

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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.