Home / 78,803.43-108,748.20-44,811.91

Finding the Fourth Proportional to 78,803.43, 108,748.20 and 44,811.91

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Solution

The fourth proportional to 78,803.43, 108,748.20 and 44,811.91 is: 61,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,803.43 : 108,748.20 = 44,811.91 : x
  2. Step 2: Convert to fraction form
    78,803.43/108,748.20 = 44,811.91/x
  3. Step 3: Cross multiply
    78,803.43x = 108,748.20 × 44,811.91
  4. Step 4: Simplify right side
    78,803.43x = 4,873,214,551.06
  5. Step 5: Solve for x
    x = 4,873,214,551.06/78,803.43
  6. Step 6: Final answer
    x = 61,840.13

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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.