Home / 88,925.28-122,747.76-51,214.56

Finding the Fourth Proportional to 88,925.28, 122,747.76 and 51,214.56

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Solution

The fourth proportional to 88,925.28, 122,747.76 and 51,214.56 is: 70,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,925.28 : 122,747.76 = 51,214.56 : x
  2. Step 2: Convert to fraction form
    88,925.28/122,747.76 = 51,214.56/x
  3. Step 3: Cross multiply
    88,925.28x = 122,747.76 × 51,214.56
  4. Step 4: Simplify right side
    88,925.28x = 6,286,472,519.39
  5. Step 5: Solve for x
    x = 6,286,472,519.39/88,925.28
  6. Step 6: Final answer
    x = 70,693.87

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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.