Home / 112,381.88-168,597.92-42,261.80

Finding the Fourth Proportional to 112,381.88, 168,597.92 and 42,261.80

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Solution

The fourth proportional to 112,381.88, 168,597.92 and 42,261.80 is: 63,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381.88 : 168,597.92 = 42,261.80 : x
  2. Step 2: Convert to fraction form
    112,381.88/168,597.92 = 42,261.80/x
  3. Step 3: Cross multiply
    112,381.88x = 168,597.92 × 42,261.80
  4. Step 4: Simplify right side
    112,381.88x = 7,125,251,575.46
  5. Step 5: Solve for x
    x = 7,125,251,575.46/112,381.88
  6. Step 6: Final answer
    x = 63,402.14

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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.