Home / 113,301.30-169,968.15-38,424.90

Finding the Fourth Proportional to 113,301.30, 169,968.15 and 38,424.90

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Solution

The fourth proportional to 113,301.30, 169,968.15 and 38,424.90 is: 57,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,301.30 : 169,968.15 = 38,424.90 : x
  2. Step 2: Convert to fraction form
    113,301.30/169,968.15 = 38,424.90/x
  3. Step 3: Cross multiply
    113,301.30x = 169,968.15 × 38,424.90
  4. Step 4: Simplify right side
    113,301.30x = 6,531,009,166.94
  5. Step 5: Solve for x
    x = 6,531,009,166.94/113,301.30
  6. Step 6: Final answer
    x = 57,642.84

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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.