Home / 74,083.61-102,234.35-42,253.04

Finding the Fourth Proportional to 74,083.61, 102,234.35 and 42,253.04

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Solution

The fourth proportional to 74,083.61, 102,234.35 and 42,253.04 is: 58,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083.61 : 102,234.35 = 42,253.04 : x
  2. Step 2: Convert to fraction form
    74,083.61/102,234.35 = 42,253.04/x
  3. Step 3: Cross multiply
    74,083.61x = 102,234.35 × 42,253.04
  4. Step 4: Simplify right side
    74,083.61x = 4,319,712,441.14
  5. Step 5: Solve for x
    x = 4,319,712,441.14/74,083.61
  6. Step 6: Final answer
    x = 58,308.61

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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.