Home / 97,733.94-134,789.49-75,127.70

Finding the Fourth Proportional to 97,733.94, 134,789.49 and 75,127.70

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Solution

The fourth proportional to 97,733.94, 134,789.49 and 75,127.70 is: 103,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,733.94 : 134,789.49 = 75,127.70 : x
  2. Step 2: Convert to fraction form
    97,733.94/134,789.49 = 75,127.70/x
  3. Step 3: Cross multiply
    97,733.94x = 134,789.49 × 75,127.70
  4. Step 4: Simplify right side
    97,733.94x = 10,126,424,367.87
  5. Step 5: Solve for x
    x = 10,126,424,367.87/97,733.94
  6. Step 6: Final answer
    x = 103,612.16

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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.