Home / 83,215.07-114,836.79-45,489.32

Finding the Fourth Proportional to 83,215.07, 114,836.79 and 45,489.32

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Solution

The fourth proportional to 83,215.07, 114,836.79 and 45,489.32 is: 62,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,215.07 : 114,836.79 = 45,489.32 : x
  2. Step 2: Convert to fraction form
    83,215.07/114,836.79 = 45,489.32/x
  3. Step 3: Cross multiply
    83,215.07x = 114,836.79 × 45,489.32
  4. Step 4: Simplify right side
    83,215.07x = 5,223,846,686.45
  5. Step 5: Solve for x
    x = 5,223,846,686.45/83,215.07
  6. Step 6: Final answer
    x = 62,775.25

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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.