Home / 66,276.40-91,446.42-48,381.16

Finding the Fourth Proportional to 66,276.40, 91,446.42 and 48,381.16

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Solution

The fourth proportional to 66,276.40, 91,446.42 and 48,381.16 is: 66,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,276.40 : 91,446.42 = 48,381.16 : x
  2. Step 2: Convert to fraction form
    66,276.40/91,446.42 = 48,381.16/x
  3. Step 3: Cross multiply
    66,276.40x = 91,446.42 × 48,381.16
  4. Step 4: Simplify right side
    66,276.40x = 4,424,283,877.45
  5. Step 5: Solve for x
    x = 4,424,283,877.45/66,276.40
  6. Step 6: Final answer
    x = 66,755.04

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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.