Home / 56,179.49-77,527.24-30,685.87

Finding the Fourth Proportional to 56,179.49, 77,527.24 and 30,685.87

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Solution

The fourth proportional to 56,179.49, 77,527.24 and 30,685.87 is: 42,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,179.49 : 77,527.24 = 30,685.87 : x
  2. Step 2: Convert to fraction form
    56,179.49/77,527.24 = 30,685.87/x
  3. Step 3: Cross multiply
    56,179.49x = 77,527.24 × 30,685.87
  4. Step 4: Simplify right side
    56,179.49x = 2,378,990,925.20
  5. Step 5: Solve for x
    x = 2,378,990,925.20/56,179.49
  6. Step 6: Final answer
    x = 42,346.25

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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.