Home / 74,087.62-102,239.88-42,257.04

Finding the Fourth Proportional to 74,087.62, 102,239.88 and 42,257.04

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Solution

The fourth proportional to 74,087.62, 102,239.88 and 42,257.04 is: 58,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,087.62 : 102,239.88 = 42,257.04 : x
  2. Step 2: Convert to fraction form
    74,087.62/102,239.88 = 42,257.04/x
  3. Step 3: Cross multiply
    74,087.62x = 102,239.88 × 42,257.04
  4. Step 4: Simplify right side
    74,087.62x = 4,320,354,698.76
  5. Step 5: Solve for x
    x = 4,320,354,698.76/74,087.62
  6. Step 6: Final answer
    x = 58,314.12

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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.