Home / 69,543.70-95,963.25-42,687.34

Finding the Fourth Proportional to 69,543.70, 95,963.25 and 42,687.34

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Solution

The fourth proportional to 69,543.70, 95,963.25 and 42,687.34 is: 58,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.70 : 95,963.25 = 42,687.34 : x
  2. Step 2: Convert to fraction form
    69,543.70/95,963.25 = 42,687.34/x
  3. Step 3: Cross multiply
    69,543.70x = 95,963.25 × 42,687.34
  4. Step 4: Simplify right side
    69,543.70x = 4,096,415,880.26
  5. Step 5: Solve for x
    x = 4,096,415,880.26/69,543.70
  6. Step 6: Final answer
    x = 58,904.20

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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.