Home / 92,308.20-127,385.40-49,866.72

Finding the Fourth Proportional to 92,308.20, 127,385.40 and 49,866.72

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Solution

The fourth proportional to 92,308.20, 127,385.40 and 49,866.72 is: 68,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.20 : 127,385.40 = 49,866.72 : x
  2. Step 2: Convert to fraction form
    92,308.20/127,385.40 = 49,866.72/x
  3. Step 3: Cross multiply
    92,308.20x = 127,385.40 × 49,866.72
  4. Step 4: Simplify right side
    92,308.20x = 6,352,292,073.89
  5. Step 5: Solve for x
    x = 6,352,292,073.89/92,308.20
  6. Step 6: Final answer
    x = 68,816.12

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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.