Home / 82,743.90-124,115.85-49,566.30

Finding the Fourth Proportional to 82,743.90, 124,115.85 and 49,566.30

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Solution

The fourth proportional to 82,743.90, 124,115.85 and 49,566.30 is: 74,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,743.90 : 124,115.85 = 49,566.30 : x
  2. Step 2: Convert to fraction form
    82,743.90/124,115.85 = 49,566.30/x
  3. Step 3: Cross multiply
    82,743.90x = 124,115.85 × 49,566.30
  4. Step 4: Simplify right side
    82,743.90x = 6,151,963,455.86
  5. Step 5: Solve for x
    x = 6,151,963,455.86/82,743.90
  6. Step 6: Final answer
    x = 74,349.45

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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.