Home / 90,674.75-125,092.33-56,624.13

Finding the Fourth Proportional to 90,674.75, 125,092.33 and 56,624.13

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Solution

The fourth proportional to 90,674.75, 125,092.33 and 56,624.13 is: 78,117.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,674.75 : 125,092.33 = 56,624.13 : x
  2. Step 2: Convert to fraction form
    90,674.75/125,092.33 = 56,624.13/x
  3. Step 3: Cross multiply
    90,674.75x = 125,092.33 × 56,624.13
  4. Step 4: Simplify right side
    90,674.75x = 7,083,244,371.08
  5. Step 5: Solve for x
    x = 7,083,244,371.08/90,674.75
  6. Step 6: Final answer
    x = 78,117.05

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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.