Home / 112,977.48-169,553.70-60,431.16

Finding the Fourth Proportional to 112,977.48, 169,553.70 and 60,431.16

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Solution

The fourth proportional to 112,977.48, 169,553.70 and 60,431.16 is: 90,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,977.48 : 169,553.70 = 60,431.16 : x
  2. Step 2: Convert to fraction form
    112,977.48/169,553.70 = 60,431.16/x
  3. Step 3: Cross multiply
    112,977.48x = 169,553.70 × 60,431.16
  4. Step 4: Simplify right side
    112,977.48x = 10,246,326,773.29
  5. Step 5: Solve for x
    x = 10,246,326,773.29/112,977.48
  6. Step 6: Final answer
    x = 90,693.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.