Home / 69,114.98-95,383.50-38,903.20

Finding the Fourth Proportional to 69,114.98, 95,383.50 and 38,903.20

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Solution

The fourth proportional to 69,114.98, 95,383.50 and 38,903.20 is: 53,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114.98 : 95,383.50 = 38,903.20 : x
  2. Step 2: Convert to fraction form
    69,114.98/95,383.50 = 38,903.20/x
  3. Step 3: Cross multiply
    69,114.98x = 95,383.50 × 38,903.20
  4. Step 4: Simplify right side
    69,114.98x = 3,710,723,377.20
  5. Step 5: Solve for x
    x = 3,710,723,377.20/69,114.98
  6. Step 6: Final answer
    x = 53,689.13

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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.