Home / 66,346.80-91,577.40-43,702.32

Finding the Fourth Proportional to 66,346.80, 91,577.40 and 43,702.32

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Solution

The fourth proportional to 66,346.80, 91,577.40 and 43,702.32 is: 60,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346.80 : 91,577.40 = 43,702.32 : x
  2. Step 2: Convert to fraction form
    66,346.80/91,577.40 = 43,702.32/x
  3. Step 3: Cross multiply
    66,346.80x = 91,577.40 × 43,702.32
  4. Step 4: Simplify right side
    66,346.80x = 4,002,144,839.57
  5. Step 5: Solve for x
    x = 4,002,144,839.57/66,346.80
  6. Step 6: Final answer
    x = 60,321.60

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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.