Home / 62,815.80-86,690.66-35,966.76

Finding the Fourth Proportional to 62,815.80, 86,690.66 and 35,966.76

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Solution

The fourth proportional to 62,815.80, 86,690.66 and 35,966.76 is: 49,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,815.80 : 86,690.66 = 35,966.76 : x
  2. Step 2: Convert to fraction form
    62,815.80/86,690.66 = 35,966.76/x
  3. Step 3: Cross multiply
    62,815.80x = 86,690.66 × 35,966.76
  4. Step 4: Simplify right side
    62,815.80x = 3,117,982,162.46
  5. Step 5: Solve for x
    x = 3,117,982,162.46/62,815.80
  6. Step 6: Final answer
    x = 49,636.91

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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.