Home / 72,624.90-100,227.06-40,363.14

Finding the Fourth Proportional to 72,624.90, 100,227.06 and 40,363.14

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Solution

The fourth proportional to 72,624.90, 100,227.06 and 40,363.14 is: 55,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624.90 : 100,227.06 = 40,363.14 : x
  2. Step 2: Convert to fraction form
    72,624.90/100,227.06 = 40,363.14/x
  3. Step 3: Cross multiply
    72,624.90x = 100,227.06 × 40,363.14
  4. Step 4: Simplify right side
    72,624.90x = 4,045,478,854.57
  5. Step 5: Solve for x
    x = 4,045,478,854.57/72,624.90
  6. Step 6: Final answer
    x = 55,703.74

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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.