Home / 83,477.64-125,235.90-27,320.52

Finding the Fourth Proportional to 83,477.64, 125,235.90 and 27,320.52

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Solution

The fourth proportional to 83,477.64, 125,235.90 and 27,320.52 is: 40,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,477.64 : 125,235.90 = 27,320.52 : x
  2. Step 2: Convert to fraction form
    83,477.64/125,235.90 = 27,320.52/x
  3. Step 3: Cross multiply
    83,477.64x = 125,235.90 × 27,320.52
  4. Step 4: Simplify right side
    83,477.64x = 3,421,509,910.67
  5. Step 5: Solve for x
    x = 3,421,509,910.67/83,477.64
  6. Step 6: Final answer
    x = 40,987.14

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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.