Home / 107,988.64-162,029.04-52,569.76

Finding the Fourth Proportional to 107,988.64, 162,029.04 and 52,569.76

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Solution

The fourth proportional to 107,988.64, 162,029.04 and 52,569.76 is: 78,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,988.64 : 162,029.04 = 52,569.76 : x
  2. Step 2: Convert to fraction form
    107,988.64/162,029.04 = 52,569.76/x
  3. Step 3: Cross multiply
    107,988.64x = 162,029.04 × 52,569.76
  4. Step 4: Simplify right side
    107,988.64x = 8,517,827,745.83
  5. Step 5: Solve for x
    x = 8,517,827,745.83/107,988.64
  6. Step 6: Final answer
    x = 78,877.07

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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.