Home / 102,366.06-141,276.60-57,048.18

Finding the Fourth Proportional to 102,366.06, 141,276.60 and 57,048.18

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Solution

The fourth proportional to 102,366.06, 141,276.60 and 57,048.18 is: 78,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,366.06 : 141,276.60 = 57,048.18 : x
  2. Step 2: Convert to fraction form
    102,366.06/141,276.60 = 57,048.18/x
  3. Step 3: Cross multiply
    102,366.06x = 141,276.60 × 57,048.18
  4. Step 4: Simplify right side
    102,366.06x = 8,059,572,906.59
  5. Step 5: Solve for x
    x = 8,059,572,906.59/102,366.06
  6. Step 6: Final answer
    x = 78,732.86

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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.