Home / 82,666.46-124,015.65-35,280.86

Finding the Fourth Proportional to 82,666.46, 124,015.65 and 35,280.86

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Solution

The fourth proportional to 82,666.46, 124,015.65 and 35,280.86 is: 52,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,666.46 : 124,015.65 = 35,280.86 : x
  2. Step 2: Convert to fraction form
    82,666.46/124,015.65 = 35,280.86/x
  3. Step 3: Cross multiply
    82,666.46x = 124,015.65 × 35,280.86
  4. Step 4: Simplify right side
    82,666.46x = 4,375,378,785.46
  5. Step 5: Solve for x
    x = 4,375,378,785.46/82,666.46
  6. Step 6: Final answer
    x = 52,928.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.