Home / 67,747.58-93,507.20-45,087.51

Finding the Fourth Proportional to 67,747.58, 93,507.20 and 45,087.51

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Solution

The fourth proportional to 67,747.58, 93,507.20 and 45,087.51 is: 62,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,747.58 : 93,507.20 = 45,087.51 : x
  2. Step 2: Convert to fraction form
    67,747.58/93,507.20 = 45,087.51/x
  3. Step 3: Cross multiply
    67,747.58x = 93,507.20 × 45,087.51
  4. Step 4: Simplify right side
    67,747.58x = 4,216,006,589.63
  5. Step 5: Solve for x
    x = 4,216,006,589.63/67,747.58
  6. Step 6: Final answer
    x = 62,231.11

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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.