Home / 106,931.79-147,552.84-61,624.44

Finding the Fourth Proportional to 106,931.79, 147,552.84 and 61,624.44

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Solution

The fourth proportional to 106,931.79, 147,552.84 and 61,624.44 is: 85,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.79 : 147,552.84 = 61,624.44 : x
  2. Step 2: Convert to fraction form
    106,931.79/147,552.84 = 61,624.44/x
  3. Step 3: Cross multiply
    106,931.79x = 147,552.84 × 61,624.44
  4. Step 4: Simplify right side
    106,931.79x = 9,092,861,135.41
  5. Step 5: Solve for x
    x = 9,092,861,135.41/106,931.79
  6. Step 6: Final answer
    x = 85,034.22

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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.