Home / 92,957.33-128,281.12-50,515.87

Finding the Fourth Proportional to 92,957.33, 128,281.12 and 50,515.87

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Solution

The fourth proportional to 92,957.33, 128,281.12 and 50,515.87 is: 69,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,957.33 : 128,281.12 = 50,515.87 : x
  2. Step 2: Convert to fraction form
    92,957.33/128,281.12 = 50,515.87/x
  3. Step 3: Cross multiply
    92,957.33x = 128,281.12 × 50,515.87
  4. Step 4: Simplify right side
    92,957.33x = 6,480,231,487.39
  5. Step 5: Solve for x
    x = 6,480,231,487.39/92,957.33
  6. Step 6: Final answer
    x = 69,711.89

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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.