Home / 52,148.64-71,964.81-28,275.24

Finding the Fourth Proportional to 52,148.64, 71,964.81 and 28,275.24

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Solution

The fourth proportional to 52,148.64, 71,964.81 and 28,275.24 is: 39,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.64 : 71,964.81 = 28,275.24 : x
  2. Step 2: Convert to fraction form
    52,148.64/71,964.81 = 28,275.24/x
  3. Step 3: Cross multiply
    52,148.64x = 71,964.81 × 28,275.24
  4. Step 4: Simplify right side
    52,148.64x = 2,034,822,274.30
  5. Step 5: Solve for x
    x = 2,034,822,274.30/52,148.64
  6. Step 6: Final answer
    x = 39,019.66

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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.