Home / 82,275.93-123,458.55-34,917.66

Finding the Fourth Proportional to 82,275.93, 123,458.55 and 34,917.66

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Solution

The fourth proportional to 82,275.93, 123,458.55 and 34,917.66 is: 52,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,275.93 : 123,458.55 = 34,917.66 : x
  2. Step 2: Convert to fraction form
    82,275.93/123,458.55 = 34,917.66/x
  3. Step 3: Cross multiply
    82,275.93x = 123,458.55 × 34,917.66
  4. Step 4: Simplify right side
    82,275.93x = 4,310,883,981.64
  5. Step 5: Solve for x
    x = 4,310,883,981.64/82,275.93
  6. Step 6: Final answer
    x = 52,395.44

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1.5x scale

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.