Home / 110,972.21-153,142.76-59,985.92

Finding the Fourth Proportional to 110,972.21, 153,142.76 and 59,985.92

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Solution

The fourth proportional to 110,972.21, 153,142.76 and 59,985.92 is: 82,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,972.21 : 153,142.76 = 59,985.92 : x
  2. Step 2: Convert to fraction form
    110,972.21/153,142.76 = 59,985.92/x
  3. Step 3: Cross multiply
    110,972.21x = 153,142.76 × 59,985.92
  4. Step 4: Simplify right side
    110,972.21x = 9,186,409,882.76
  5. Step 5: Solve for x
    x = 9,186,409,882.76/110,972.21
  6. Step 6: Final answer
    x = 82,781.18

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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.