Home / 69,385.16-95,741.26-42,147.08

Finding the Fourth Proportional to 69,385.16, 95,741.26 and 42,147.08

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Solution

The fourth proportional to 69,385.16, 95,741.26 and 42,147.08 is: 58,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385.16 : 95,741.26 = 42,147.08 : x
  2. Step 2: Convert to fraction form
    69,385.16/95,741.26 = 42,147.08/x
  3. Step 3: Cross multiply
    69,385.16x = 95,741.26 × 42,147.08
  4. Step 4: Simplify right side
    69,385.16x = 4,035,214,544.52
  5. Step 5: Solve for x
    x = 4,035,214,544.52/69,385.16
  6. Step 6: Final answer
    x = 58,156.74

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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.