Home / 69,278.16-95,581.20-42,392.64

Finding the Fourth Proportional to 69,278.16, 95,581.20 and 42,392.64

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Solution

The fourth proportional to 69,278.16, 95,581.20 and 42,392.64 is: 58,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.16 : 95,581.20 = 42,392.64 : x
  2. Step 2: Convert to fraction form
    69,278.16/95,581.20 = 42,392.64/x
  3. Step 3: Cross multiply
    69,278.16x = 95,581.20 × 42,392.64
  4. Step 4: Simplify right side
    69,278.16x = 4,051,939,402.37
  5. Step 5: Solve for x
    x = 4,051,939,402.37/69,278.16
  6. Step 6: Final answer
    x = 58,487.98

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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.