Home / 107,977.17-149,011.65-60,229.49

Finding the Fourth Proportional to 107,977.17, 149,011.65 and 60,229.49

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Solution

The fourth proportional to 107,977.17, 149,011.65 and 60,229.49 is: 83,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,977.17 : 149,011.65 = 60,229.49 : x
  2. Step 2: Convert to fraction form
    107,977.17/149,011.65 = 60,229.49/x
  3. Step 3: Cross multiply
    107,977.17x = 149,011.65 × 60,229.49
  4. Step 4: Simplify right side
    107,977.17x = 8,974,894,938.50
  5. Step 5: Solve for x
    x = 8,974,894,938.50/107,977.17
  6. Step 6: Final answer
    x = 83,118.45

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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.