Home / 72,595.05-100,182.36-40,763.25

Finding the Fourth Proportional to 72,595.05, 100,182.36 and 40,763.25

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Solution

The fourth proportional to 72,595.05, 100,182.36 and 40,763.25 is: 56,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,595.05 : 100,182.36 = 40,763.25 : x
  2. Step 2: Convert to fraction form
    72,595.05/100,182.36 = 40,763.25/x
  3. Step 3: Cross multiply
    72,595.05x = 100,182.36 × 40,763.25
  4. Step 4: Simplify right side
    72,595.05x = 4,083,758,586.27
  5. Step 5: Solve for x
    x = 4,083,758,586.27/72,595.05
  6. Step 6: Final answer
    x = 56,253.95

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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.