Home / 83,352.64-115,025.75-45,111.39

Finding the Fourth Proportional to 83,352.64, 115,025.75 and 45,111.39

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Solution

The fourth proportional to 83,352.64, 115,025.75 and 45,111.39 is: 62,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,352.64 : 115,025.75 = 45,111.39 : x
  2. Step 2: Convert to fraction form
    83,352.64/115,025.75 = 45,111.39/x
  3. Step 3: Cross multiply
    83,352.64x = 115,025.75 × 45,111.39
  4. Step 4: Simplify right side
    83,352.64x = 5,188,971,468.29
  5. Step 5: Solve for x
    x = 5,188,971,468.29/83,352.64
  6. Step 6: Final answer
    x = 62,253.23

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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.