Home / 71,366.32-98,430.08-48,723.56

Finding the Fourth Proportional to 71,366.32, 98,430.08 and 48,723.56

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Solution

The fourth proportional to 71,366.32, 98,430.08 and 48,723.56 is: 67,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366.32 : 98,430.08 = 48,723.56 : x
  2. Step 2: Convert to fraction form
    71,366.32/98,430.08 = 48,723.56/x
  3. Step 3: Cross multiply
    71,366.32x = 98,430.08 × 48,723.56
  4. Step 4: Simplify right side
    71,366.32x = 4,795,863,908.68
  5. Step 5: Solve for x
    x = 4,795,863,908.68/71,366.32
  6. Step 6: Final answer
    x = 67,200.66

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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.