Home / 67,769.90-93,555.51-45,122.30

Finding the Fourth Proportional to 67,769.90, 93,555.51 and 45,122.30

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Solution

The fourth proportional to 67,769.90, 93,555.51 and 45,122.30 is: 62,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,769.90 : 93,555.51 = 45,122.30 : x
  2. Step 2: Convert to fraction form
    67,769.90/93,555.51 = 45,122.30/x
  3. Step 3: Cross multiply
    67,769.90x = 93,555.51 × 45,122.30
  4. Step 4: Simplify right side
    67,769.90x = 4,221,439,788.87
  5. Step 5: Solve for x
    x = 4,221,439,788.87/67,769.90
  6. Step 6: Final answer
    x = 62,290.78

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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.