Home / 77,706.47-107,233.91-43,714.85

Finding the Fourth Proportional to 77,706.47, 107,233.91 and 43,714.85

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Solution

The fourth proportional to 77,706.47, 107,233.91 and 43,714.85 is: 60,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,706.47 : 107,233.91 = 43,714.85 : x
  2. Step 2: Convert to fraction form
    77,706.47/107,233.91 = 43,714.85/x
  3. Step 3: Cross multiply
    77,706.47x = 107,233.91 × 43,714.85
  4. Step 4: Simplify right side
    77,706.47x = 4,687,714,071.99
  5. Step 5: Solve for x
    x = 4,687,714,071.99/77,706.47
  6. Step 6: Final answer
    x = 60,325.92

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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.