Home / 108,529.17-149,771.39-60,132.58

Finding the Fourth Proportional to 108,529.17, 149,771.39 and 60,132.58

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Solution

The fourth proportional to 108,529.17, 149,771.39 and 60,132.58 is: 82,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.17 : 149,771.39 = 60,132.58 : x
  2. Step 2: Convert to fraction form
    108,529.17/149,771.39 = 60,132.58/x
  3. Step 3: Cross multiply
    108,529.17x = 149,771.39 × 60,132.58
  4. Step 4: Simplify right side
    108,529.17x = 9,006,139,415.79
  5. Step 5: Solve for x
    x = 9,006,139,415.79/108,529.17
  6. Step 6: Final answer
    x = 82,983.59

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1.5x scale

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.