Home / 74,673.96-103,042.02-42,842.12

Finding the Fourth Proportional to 74,673.96, 103,042.02 and 42,842.12

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Solution

The fourth proportional to 74,673.96, 103,042.02 and 42,842.12 is: 59,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,673.96 : 103,042.02 = 42,842.12 : x
  2. Step 2: Convert to fraction form
    74,673.96/103,042.02 = 42,842.12/x
  3. Step 3: Cross multiply
    74,673.96x = 103,042.02 × 42,842.12
  4. Step 4: Simplify right side
    74,673.96x = 4,414,538,585.88
  5. Step 5: Solve for x
    x = 4,414,538,585.88/74,673.96
  6. Step 6: Final answer
    x = 59,117.51

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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.