Home / 60,220.90-83,118.66-40,078.62

Finding the Fourth Proportional to 60,220.90, 83,118.66 and 40,078.62

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Solution

The fourth proportional to 60,220.90, 83,118.66 and 40,078.62 is: 55,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,220.90 : 83,118.66 = 40,078.62 : x
  2. Step 2: Convert to fraction form
    60,220.90/83,118.66 = 40,078.62/x
  3. Step 3: Cross multiply
    60,220.90x = 83,118.66 × 40,078.62
  4. Step 4: Simplify right side
    60,220.90x = 3,331,281,189.05
  5. Step 5: Solve for x
    x = 3,331,281,189.05/60,220.90
  6. Step 6: Final answer
    x = 55,317.69

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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.