Home / 82,661.15-124,000.39-35,281.28

Finding the Fourth Proportional to 82,661.15, 124,000.39 and 35,281.28

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Solution

The fourth proportional to 82,661.15, 124,000.39 and 35,281.28 is: 52,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,661.15 : 124,000.39 = 35,281.28 : x
  2. Step 2: Convert to fraction form
    82,661.15/124,000.39 = 35,281.28/x
  3. Step 3: Cross multiply
    82,661.15x = 124,000.39 × 35,281.28
  4. Step 4: Simplify right side
    82,661.15x = 4,374,892,479.70
  5. Step 5: Solve for x
    x = 4,374,892,479.70/82,661.15
  6. Step 6: Final answer
    x = 52,925.62

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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.