Home / 67,455.34-93,073.92-39,145.84

Finding the Fourth Proportional to 67,455.34, 93,073.92 and 39,145.84

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Solution

The fourth proportional to 67,455.34, 93,073.92 and 39,145.84 is: 54,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,455.34 : 93,073.92 = 39,145.84 : x
  2. Step 2: Convert to fraction form
    67,455.34/93,073.92 = 39,145.84/x
  3. Step 3: Cross multiply
    67,455.34x = 93,073.92 × 39,145.84
  4. Step 4: Simplify right side
    67,455.34x = 3,643,456,780.49
  5. Step 5: Solve for x
    x = 3,643,456,780.49/67,455.34
  6. Step 6: Final answer
    x = 54,012.87

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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.