Home / 77,934.60-107,523.96-43,938.84

Finding the Fourth Proportional to 77,934.60, 107,523.96 and 43,938.84

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Solution

The fourth proportional to 77,934.60, 107,523.96 and 43,938.84 is: 60,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934.60 : 107,523.96 = 43,938.84 : x
  2. Step 2: Convert to fraction form
    77,934.60/107,523.96 = 43,938.84/x
  3. Step 3: Cross multiply
    77,934.60x = 107,523.96 × 43,938.84
  4. Step 4: Simplify right side
    77,934.60x = 4,724,478,074.61
  5. Step 5: Solve for x
    x = 4,724,478,074.61/77,934.60
  6. Step 6: Final answer
    x = 60,621.06

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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.