Home / 66,555.14-91,832.70-42,365.84

Finding the Fourth Proportional to 66,555.14, 91,832.70 and 42,365.84

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Solution

The fourth proportional to 66,555.14, 91,832.70 and 42,365.84 is: 58,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555.14 : 91,832.70 = 42,365.84 : x
  2. Step 2: Convert to fraction form
    66,555.14/91,832.70 = 42,365.84/x
  3. Step 3: Cross multiply
    66,555.14x = 91,832.70 × 42,365.84
  4. Step 4: Simplify right side
    66,555.14x = 3,890,569,474.97
  5. Step 5: Solve for x
    x = 3,890,569,474.97/66,555.14
  6. Step 6: Final answer
    x = 58,456.33

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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.