Home / 112,797.90-155,677.68-65,041.92

Finding the Fourth Proportional to 112,797.90, 155,677.68 and 65,041.92

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Solution

The fourth proportional to 112,797.90, 155,677.68 and 65,041.92 is: 89,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,797.90 : 155,677.68 = 65,041.92 : x
  2. Step 2: Convert to fraction form
    112,797.90/155,677.68 = 65,041.92/x
  3. Step 3: Cross multiply
    112,797.90x = 155,677.68 × 65,041.92
  4. Step 4: Simplify right side
    112,797.90x = 10,125,575,208.35
  5. Step 5: Solve for x
    x = 10,125,575,208.35/112,797.90
  6. Step 6: Final answer
    x = 89,767.41

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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.