Home / 83,215.43-114,809.25-47,380.08

Finding the Fourth Proportional to 83,215.43, 114,809.25 and 47,380.08

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Solution

The fourth proportional to 83,215.43, 114,809.25 and 47,380.08 is: 65,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,215.43 : 114,809.25 = 47,380.08 : x
  2. Step 2: Convert to fraction form
    83,215.43/114,809.25 = 47,380.08/x
  3. Step 3: Cross multiply
    83,215.43x = 114,809.25 × 47,380.08
  4. Step 4: Simplify right side
    83,215.43x = 5,439,671,449.74
  5. Step 5: Solve for x
    x = 5,439,671,449.74/83,215.43
  6. Step 6: Final answer
    x = 65,368.54

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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.