Home / 48,079.19-72,117.99-18,503.43

Finding the Fourth Proportional to 48,079.19, 72,117.99 and 18,503.43

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Solution

The fourth proportional to 48,079.19, 72,117.99 and 18,503.43 is: 27,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.19 : 72,117.99 = 18,503.43 : x
  2. Step 2: Convert to fraction form
    48,079.19/72,117.99 = 18,503.43/x
  3. Step 3: Cross multiply
    48,079.19x = 72,117.99 × 18,503.43
  4. Step 4: Simplify right side
    48,079.19x = 1,334,430,179.71
  5. Step 5: Solve for x
    x = 1,334,430,179.71/48,079.19
  6. Step 6: Final answer
    x = 27,754.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.