Home / 108,023.18-149,101.44-62,715.36

Finding the Fourth Proportional to 108,023.18, 149,101.44 and 62,715.36

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Solution

The fourth proportional to 108,023.18, 149,101.44 and 62,715.36 is: 86,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,023.18 : 149,101.44 = 62,715.36 : x
  2. Step 2: Convert to fraction form
    108,023.18/149,101.44 = 62,715.36/x
  3. Step 3: Cross multiply
    108,023.18x = 149,101.44 × 62,715.36
  4. Step 4: Simplify right side
    108,023.18x = 9,350,950,486.12
  5. Step 5: Solve for x
    x = 9,350,950,486.12/108,023.18
  6. Step 6: Final answer
    x = 86,564.30

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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.