Home / 78,847.04-108,808.16-43,037.28

Finding the Fourth Proportional to 78,847.04, 108,808.16 and 43,037.28

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Solution

The fourth proportional to 78,847.04, 108,808.16 and 43,037.28 is: 59,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,847.04 : 108,808.16 = 43,037.28 : x
  2. Step 2: Convert to fraction form
    78,847.04/108,808.16 = 43,037.28/x
  3. Step 3: Cross multiply
    78,847.04x = 108,808.16 × 43,037.28
  4. Step 4: Simplify right side
    78,847.04x = 4,682,807,248.20
  5. Step 5: Solve for x
    x = 4,682,807,248.20/78,847.04
  6. Step 6: Final answer
    x = 59,391.03

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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.