Home / 108,460.36-149,658.06-60,715.72

Finding the Fourth Proportional to 108,460.36, 149,658.06 and 60,715.72

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Solution

The fourth proportional to 108,460.36, 149,658.06 and 60,715.72 is: 83,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,460.36 : 149,658.06 = 60,715.72 : x
  2. Step 2: Convert to fraction form
    108,460.36/149,658.06 = 60,715.72/x
  3. Step 3: Cross multiply
    108,460.36x = 149,658.06 × 60,715.72
  4. Step 4: Simplify right side
    108,460.36x = 9,086,596,866.70
  5. Step 5: Solve for x
    x = 9,086,596,866.70/108,460.36
  6. Step 6: Final answer
    x = 83,778.04

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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.