Home / 107,977.16-149,008.70-60,229.28

Finding the Fourth Proportional to 107,977.16, 149,008.70 and 60,229.28

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Solution

The fourth proportional to 107,977.16, 149,008.70 and 60,229.28 is: 83,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,977.16 : 149,008.70 = 60,229.28 : x
  2. Step 2: Convert to fraction form
    107,977.16/149,008.70 = 60,229.28/x
  3. Step 3: Cross multiply
    107,977.16x = 149,008.70 × 60,229.28
  4. Step 4: Simplify right side
    107,977.16x = 8,974,686,714.74
  5. Step 5: Solve for x
    x = 8,974,686,714.74/107,977.16
  6. Step 6: Final answer
    x = 83,116.53

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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.