Home / 94,221.92-130,037.32-55,981.78

Finding the Fourth Proportional to 94,221.92, 130,037.32 and 55,981.78

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Solution

The fourth proportional to 94,221.92, 130,037.32 and 55,981.78 is: 77,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,221.92 : 130,037.32 = 55,981.78 : x
  2. Step 2: Convert to fraction form
    94,221.92/130,037.32 = 55,981.78/x
  3. Step 3: Cross multiply
    94,221.92x = 130,037.32 × 55,981.78
  4. Step 4: Simplify right side
    94,221.92x = 7,279,720,801.48
  5. Step 5: Solve for x
    x = 7,279,720,801.48/94,221.92
  6. Step 6: Final answer
    x = 77,261.43

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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.