Home / 92,318.45-127,225.50-66,781.46

Finding the Fourth Proportional to 92,318.45, 127,225.50 and 66,781.46

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Solution

The fourth proportional to 92,318.45, 127,225.50 and 66,781.46 is: 92,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,318.45 : 127,225.50 = 66,781.46 : x
  2. Step 2: Convert to fraction form
    92,318.45/127,225.50 = 66,781.46/x
  3. Step 3: Cross multiply
    92,318.45x = 127,225.50 × 66,781.46
  4. Step 4: Simplify right side
    92,318.45x = 8,496,304,003.10
  5. Step 5: Solve for x
    x = 8,496,304,003.10/92,318.45
  6. Step 6: Final answer
    x = 92,032.57

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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.