Home / 107,839.63-148,818.46-62,543.82

Finding the Fourth Proportional to 107,839.63, 148,818.46 and 62,543.82

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Solution

The fourth proportional to 107,839.63, 148,818.46 and 62,543.82 is: 86,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839.63 : 148,818.46 = 62,543.82 : x
  2. Step 2: Convert to fraction form
    107,839.63/148,818.46 = 62,543.82/x
  3. Step 3: Cross multiply
    107,839.63x = 148,818.46 × 62,543.82
  4. Step 4: Simplify right side
    107,839.63x = 9,307,674,974.92
  5. Step 5: Solve for x
    x = 9,307,674,974.92/107,839.63
  6. Step 6: Final answer
    x = 86,310.34

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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.