Home / 107,708.03-148,632.29-61,734.72

Finding the Fourth Proportional to 107,708.03, 148,632.29 and 61,734.72

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Solution

The fourth proportional to 107,708.03, 148,632.29 and 61,734.72 is: 85,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,708.03 : 148,632.29 = 61,734.72 : x
  2. Step 2: Convert to fraction form
    107,708.03/148,632.29 = 61,734.72/x
  3. Step 3: Cross multiply
    107,708.03x = 148,632.29 × 61,734.72
  4. Step 4: Simplify right side
    107,708.03x = 9,175,772,125.85
  5. Step 5: Solve for x
    x = 9,175,772,125.85/107,708.03
  6. Step 6: Final answer
    x = 85,191.16

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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.