Home / 82,550.28-114,013.08-55,646.40

Finding the Fourth Proportional to 82,550.28, 114,013.08 and 55,646.40

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Solution

The fourth proportional to 82,550.28, 114,013.08 and 55,646.40 is: 76,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,550.28 : 114,013.08 = 55,646.40 : x
  2. Step 2: Convert to fraction form
    82,550.28/114,013.08 = 55,646.40/x
  3. Step 3: Cross multiply
    82,550.28x = 114,013.08 × 55,646.40
  4. Step 4: Simplify right side
    82,550.28x = 6,344,417,454.91
  5. Step 5: Solve for x
    x = 6,344,417,454.91/82,550.28
  6. Step 6: Final answer
    x = 76,855.19

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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.