Home / 92,531.52-127,688.67-54,285.75

Finding the Fourth Proportional to 92,531.52, 127,688.67 and 54,285.75

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Solution

The fourth proportional to 92,531.52, 127,688.67 and 54,285.75 is: 74,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,531.52 : 127,688.67 = 54,285.75 : x
  2. Step 2: Convert to fraction form
    92,531.52/127,688.67 = 54,285.75/x
  3. Step 3: Cross multiply
    92,531.52x = 127,688.67 × 54,285.75
  4. Step 4: Simplify right side
    92,531.52x = 6,931,675,217.45
  5. Step 5: Solve for x
    x = 6,931,675,217.45/92,531.52
  6. Step 6: Final answer
    x = 74,911.50

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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.