Home / 80,283.12-110,785.95-43,977.33

Finding the Fourth Proportional to 80,283.12, 110,785.95 and 43,977.33

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Solution

The fourth proportional to 80,283.12, 110,785.95 and 43,977.33 is: 60,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,283.12 : 110,785.95 = 43,977.33 : x
  2. Step 2: Convert to fraction form
    80,283.12/110,785.95 = 43,977.33/x
  3. Step 3: Cross multiply
    80,283.12x = 110,785.95 × 43,977.33
  4. Step 4: Simplify right side
    80,283.12x = 4,872,070,282.51
  5. Step 5: Solve for x
    x = 4,872,070,282.51/80,283.12
  6. Step 6: Final answer
    x = 60,686.11

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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.