Home / 74,713.28-103,092.48-42,001.23

Finding the Fourth Proportional to 74,713.28, 103,092.48 and 42,001.23

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Solution

The fourth proportional to 74,713.28, 103,092.48 and 42,001.23 is: 57,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,713.28 : 103,092.48 = 42,001.23 : x
  2. Step 2: Convert to fraction form
    74,713.28/103,092.48 = 42,001.23/x
  3. Step 3: Cross multiply
    74,713.28x = 103,092.48 × 42,001.23
  4. Step 4: Simplify right side
    74,713.28x = 4,330,010,963.75
  5. Step 5: Solve for x
    x = 4,330,010,963.75/74,713.28
  6. Step 6: Final answer
    x = 57,955.04

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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.