Home / 75,080.64-103,566.24-49,587.06

Finding the Fourth Proportional to 75,080.64, 103,566.24 and 49,587.06

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Solution

The fourth proportional to 75,080.64, 103,566.24 and 49,587.06 is: 68,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,080.64 : 103,566.24 = 49,587.06 : x
  2. Step 2: Convert to fraction form
    75,080.64/103,566.24 = 49,587.06/x
  3. Step 3: Cross multiply
    75,080.64x = 103,566.24 × 49,587.06
  4. Step 4: Simplify right side
    75,080.64x = 5,135,545,356.85
  5. Step 5: Solve for x
    x = 5,135,545,356.85/75,080.64
  6. Step 6: Final answer
    x = 68,400.39

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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.