Home / 94,010.12-129,734.56-53,725.38

Finding the Fourth Proportional to 94,010.12, 129,734.56 and 53,725.38

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Solution

The fourth proportional to 94,010.12, 129,734.56 and 53,725.38 is: 74,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,010.12 : 129,734.56 = 53,725.38 : x
  2. Step 2: Convert to fraction form
    94,010.12/129,734.56 = 53,725.38/x
  3. Step 3: Cross multiply
    94,010.12x = 129,734.56 × 53,725.38
  4. Step 4: Simplify right side
    94,010.12x = 6,970,038,115.78
  5. Step 5: Solve for x
    x = 6,970,038,115.78/94,010.12
  6. Step 6: Final answer
    x = 74,141.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.