Home / 113,740.29-170,630.49-38,842.88

Finding the Fourth Proportional to 113,740.29, 170,630.49 and 38,842.88

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Solution

The fourth proportional to 113,740.29, 170,630.49 and 38,842.88 is: 58,271.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,740.29 : 170,630.49 = 38,842.88 : x
  2. Step 2: Convert to fraction form
    113,740.29/170,630.49 = 38,842.88/x
  3. Step 3: Cross multiply
    113,740.29x = 170,630.49 × 38,842.88
  4. Step 4: Simplify right side
    113,740.29x = 6,627,778,939.92
  5. Step 5: Solve for x
    x = 6,627,778,939.92/113,740.29
  6. Step 6: Final answer
    x = 58,271.16

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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.