Home / 86,471.61-119,336.31-48,748.29

Finding the Fourth Proportional to 86,471.61, 119,336.31 and 48,748.29

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Solution

The fourth proportional to 86,471.61, 119,336.31 and 48,748.29 is: 67,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.61 : 119,336.31 = 48,748.29 : x
  2. Step 2: Convert to fraction form
    86,471.61/119,336.31 = 48,748.29/x
  3. Step 3: Cross multiply
    86,471.61x = 119,336.31 × 48,748.29
  4. Step 4: Simplify right side
    86,471.61x = 5,817,441,047.41
  5. Step 5: Solve for x
    x = 5,817,441,047.41/86,471.61
  6. Step 6: Final answer
    x = 67,275.73

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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.