Home / 66,539.20-99,881.70-41,607.40

Finding the Fourth Proportional to 66,539.20, 99,881.70 and 41,607.40

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Solution

The fourth proportional to 66,539.20, 99,881.70 and 41,607.40 is: 62,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,539.20 : 99,881.70 = 41,607.40 : x
  2. Step 2: Convert to fraction form
    66,539.20/99,881.70 = 41,607.40/x
  3. Step 3: Cross multiply
    66,539.20x = 99,881.70 × 41,607.40
  4. Step 4: Simplify right side
    66,539.20x = 4,155,817,844.58
  5. Step 5: Solve for x
    x = 4,155,817,844.58/66,539.20
  6. Step 6: Final answer
    x = 62,456.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.