Home / 75,420.48-104,082.12-41,432.34

Finding the Fourth Proportional to 75,420.48, 104,082.12 and 41,432.34

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Solution

The fourth proportional to 75,420.48, 104,082.12 and 41,432.34 is: 57,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,420.48 : 104,082.12 = 41,432.34 : x
  2. Step 2: Convert to fraction form
    75,420.48/104,082.12 = 41,432.34/x
  3. Step 3: Cross multiply
    75,420.48x = 104,082.12 × 41,432.34
  4. Step 4: Simplify right side
    75,420.48x = 4,312,365,783.76
  5. Step 5: Solve for x
    x = 4,312,365,783.76/75,420.48
  6. Step 6: Final answer
    x = 57,177.65

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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.