Home / 92,140.88-127,153.24-51,854.72

Finding the Fourth Proportional to 92,140.88, 127,153.24 and 51,854.72

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Solution

The fourth proportional to 92,140.88, 127,153.24 and 51,854.72 is: 71,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,140.88 : 127,153.24 = 51,854.72 : x
  2. Step 2: Convert to fraction form
    92,140.88/127,153.24 = 51,854.72/x
  3. Step 3: Cross multiply
    92,140.88x = 127,153.24 × 51,854.72
  4. Step 4: Simplify right side
    92,140.88x = 6,593,495,657.29
  5. Step 5: Solve for x
    x = 6,593,495,657.29/92,140.88
  6. Step 6: Final answer
    x = 71,558.85

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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.