Home / 77,926.15-107,543.60-43,937.78

Finding the Fourth Proportional to 77,926.15, 107,543.60 and 43,937.78

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Solution

The fourth proportional to 77,926.15, 107,543.60 and 43,937.78 is: 60,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,926.15 : 107,543.60 = 43,937.78 : x
  2. Step 2: Convert to fraction form
    77,926.15/107,543.60 = 43,937.78/x
  3. Step 3: Cross multiply
    77,926.15x = 107,543.60 × 43,937.78
  4. Step 4: Simplify right side
    77,926.15x = 4,725,226,444.57
  5. Step 5: Solve for x
    x = 4,725,226,444.57/77,926.15
  6. Step 6: Final answer
    x = 60,637.24

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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.