Home / 81,385.28-112,323.06-58,797.34

Finding the Fourth Proportional to 81,385.28, 112,323.06 and 58,797.34

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Solution

The fourth proportional to 81,385.28, 112,323.06 and 58,797.34 is: 81,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,385.28 : 112,323.06 = 58,797.34 : x
  2. Step 2: Convert to fraction form
    81,385.28/112,323.06 = 58,797.34/x
  3. Step 3: Cross multiply
    81,385.28x = 112,323.06 × 58,797.34
  4. Step 4: Simplify right side
    81,385.28x = 6,604,297,148.66
  5. Step 5: Solve for x
    x = 6,604,297,148.66/81,385.28
  6. Step 6: Final answer
    x = 81,148.55

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1.5x scale

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.