Home / 83,329.20-114,993.36-45,603

Finding the Fourth Proportional to 83,329.20, 114,993.36 and 45,603

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Solution

The fourth proportional to 83,329.20, 114,993.36 and 45,603 is: 62,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,329.20 : 114,993.36 = 45,603 : x
  2. Step 2: Convert to fraction form
    83,329.20/114,993.36 = 45,603/x
  3. Step 3: Cross multiply
    83,329.20x = 114,993.36 × 45,603
  4. Step 4: Simplify right side
    83,329.20x = 5,244,042,196.08
  5. Step 5: Solve for x
    x = 5,244,042,196.08/83,329.20
  6. Step 6: Final answer
    x = 62,931.63

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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.