Home / 78,493.76-108,319.02-44,505.35

Finding the Fourth Proportional to 78,493.76, 108,319.02 and 44,505.35

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Solution

The fourth proportional to 78,493.76, 108,319.02 and 44,505.35 is: 61,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,493.76 : 108,319.02 = 44,505.35 : x
  2. Step 2: Convert to fraction form
    78,493.76/108,319.02 = 44,505.35/x
  3. Step 3: Cross multiply
    78,493.76x = 108,319.02 × 44,505.35
  4. Step 4: Simplify right side
    78,493.76x = 4,820,775,896.76
  5. Step 5: Solve for x
    x = 4,820,775,896.76/78,493.76
  6. Step 6: Final answer
    x = 61,416.04

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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.