Home / 74,001.04-102,124.20-42,169.12

Finding the Fourth Proportional to 74,001.04, 102,124.20 and 42,169.12

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Solution

The fourth proportional to 74,001.04, 102,124.20 and 42,169.12 is: 58,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,001.04 : 102,124.20 = 42,169.12 : x
  2. Step 2: Convert to fraction form
    74,001.04/102,124.20 = 42,169.12/x
  3. Step 3: Cross multiply
    74,001.04x = 102,124.20 × 42,169.12
  4. Step 4: Simplify right side
    74,001.04x = 4,306,487,644.70
  5. Step 5: Solve for x
    x = 4,306,487,644.70/74,001.04
  6. Step 6: Final answer
    x = 58,194.96

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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.