Home / 62,891.28-86,790.18-34,210.92

Finding the Fourth Proportional to 62,891.28, 86,790.18 and 34,210.92

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Solution

The fourth proportional to 62,891.28, 86,790.18 and 34,210.92 is: 47,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.28 : 86,790.18 = 34,210.92 : x
  2. Step 2: Convert to fraction form
    62,891.28/86,790.18 = 34,210.92/x
  3. Step 3: Cross multiply
    62,891.28x = 86,790.18 × 34,210.92
  4. Step 4: Simplify right side
    62,891.28x = 2,969,171,904.77
  5. Step 5: Solve for x
    x = 2,969,171,904.77/62,891.28
  6. Step 6: Final answer
    x = 47,211.19

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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.