Home / 74,110.30-102,262.58-42,277.30

Finding the Fourth Proportional to 74,110.30, 102,262.58 and 42,277.30

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Solution

The fourth proportional to 74,110.30, 102,262.58 and 42,277.30 is: 58,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,110.30 : 102,262.58 = 42,277.30 : x
  2. Step 2: Convert to fraction form
    74,110.30/102,262.58 = 42,277.30/x
  3. Step 3: Cross multiply
    74,110.30x = 102,262.58 × 42,277.30
  4. Step 4: Simplify right side
    74,110.30x = 4,323,385,773.43
  5. Step 5: Solve for x
    x = 4,323,385,773.43/74,110.30
  6. Step 6: Final answer
    x = 58,337.18

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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.