Home / 83,484.55-115,208.43-45,245.19

Finding the Fourth Proportional to 83,484.55, 115,208.43 and 45,245.19

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Solution

The fourth proportional to 83,484.55, 115,208.43 and 45,245.19 is: 62,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,484.55 : 115,208.43 = 45,245.19 : x
  2. Step 2: Convert to fraction form
    83,484.55/115,208.43 = 45,245.19/x
  3. Step 3: Cross multiply
    83,484.55x = 115,208.43 × 45,245.19
  4. Step 4: Simplify right side
    83,484.55x = 5,212,627,078.73
  5. Step 5: Solve for x
    x = 5,212,627,078.73/83,484.55
  6. Step 6: Final answer
    x = 62,438.22

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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.