Home / 52,124.36-71,931.65-28,251.02

Finding the Fourth Proportional to 52,124.36, 71,931.65 and 28,251.02

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Solution

The fourth proportional to 52,124.36, 71,931.65 and 28,251.02 is: 38,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,124.36 : 71,931.65 = 28,251.02 : x
  2. Step 2: Convert to fraction form
    52,124.36/71,931.65 = 28,251.02/x
  3. Step 3: Cross multiply
    52,124.36x = 71,931.65 × 28,251.02
  4. Step 4: Simplify right side
    52,124.36x = 2,032,142,521.36
  5. Step 5: Solve for x
    x = 2,032,142,521.36/52,124.36
  6. Step 6: Final answer
    x = 38,986.43

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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.