Home / 81,582.50-112,584.12-47,614.34

Finding the Fourth Proportional to 81,582.50, 112,584.12 and 47,614.34

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Solution

The fourth proportional to 81,582.50, 112,584.12 and 47,614.34 is: 65,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,582.50 : 112,584.12 = 47,614.34 : x
  2. Step 2: Convert to fraction form
    81,582.50/112,584.12 = 47,614.34/x
  3. Step 3: Cross multiply
    81,582.50x = 112,584.12 × 47,614.34
  4. Step 4: Simplify right side
    81,582.50x = 5,360,618,568.28
  5. Step 5: Solve for x
    x = 5,360,618,568.28/81,582.50
  6. Step 6: Final answer
    x = 65,707.95

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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.