Home / 92,885.32-128,220.97-62,711.52

Finding the Fourth Proportional to 92,885.32, 128,220.97 and 62,711.52

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Solution

The fourth proportional to 92,885.32, 128,220.97 and 62,711.52 is: 86,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,885.32 : 128,220.97 = 62,711.52 : x
  2. Step 2: Convert to fraction form
    92,885.32/128,220.97 = 62,711.52/x
  3. Step 3: Cross multiply
    92,885.32x = 128,220.97 × 62,711.52
  4. Step 4: Simplify right side
    92,885.32x = 8,040,931,924.57
  5. Step 5: Solve for x
    x = 8,040,931,924.57/92,885.32
  6. Step 6: Final answer
    x = 86,568.38

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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.