Home / 82,987.12-114,617.76-60,426.96

Finding the Fourth Proportional to 82,987.12, 114,617.76 and 60,426.96

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Solution

The fourth proportional to 82,987.12, 114,617.76 and 60,426.96 is: 83,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,987.12 : 114,617.76 = 60,426.96 : x
  2. Step 2: Convert to fraction form
    82,987.12/114,617.76 = 60,426.96/x
  3. Step 3: Cross multiply
    82,987.12x = 114,617.76 × 60,426.96
  4. Step 4: Simplify right side
    82,987.12x = 6,926,002,798.81
  5. Step 5: Solve for x
    x = 6,926,002,798.81/82,987.12
  6. Step 6: Final answer
    x = 83,458.77

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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.