Home / 91,804.80-126,659.52-58,290.24

Finding the Fourth Proportional to 91,804.80, 126,659.52 and 58,290.24

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Solution

The fourth proportional to 91,804.80, 126,659.52 and 58,290.24 is: 80,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,804.80 : 126,659.52 = 58,290.24 : x
  2. Step 2: Convert to fraction form
    91,804.80/126,659.52 = 58,290.24/x
  3. Step 3: Cross multiply
    91,804.80x = 126,659.52 × 58,290.24
  4. Step 4: Simplify right side
    91,804.80x = 7,383,013,819.08
  5. Step 5: Solve for x
    x = 7,383,013,819.08/91,804.80
  6. Step 6: Final answer
    x = 80,420.78

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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.