Home / 61,276.62-91,725.40-52,309.92

Finding the Fourth Proportional to 61,276.62, 91,725.40 and 52,309.92

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Solution

The fourth proportional to 61,276.62, 91,725.40 and 52,309.92 is: 78,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,276.62 : 91,725.40 = 52,309.92 : x
  2. Step 2: Convert to fraction form
    61,276.62/91,725.40 = 52,309.92/x
  3. Step 3: Cross multiply
    61,276.62x = 91,725.40 × 52,309.92
  4. Step 4: Simplify right side
    61,276.62x = 4,798,148,335.97
  5. Step 5: Solve for x
    x = 4,798,148,335.97/61,276.62
  6. Step 6: Final answer
    x = 78,303.08

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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.