Home / 83,544.32-115,280.54-47,736.65

Finding the Fourth Proportional to 83,544.32, 115,280.54 and 47,736.65

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Solution

The fourth proportional to 83,544.32, 115,280.54 and 47,736.65 is: 65,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,544.32 : 115,280.54 = 47,736.65 : x
  2. Step 2: Convert to fraction form
    83,544.32/115,280.54 = 47,736.65/x
  3. Step 3: Cross multiply
    83,544.32x = 115,280.54 × 47,736.65
  4. Step 4: Simplify right side
    83,544.32x = 5,503,105,974.71
  5. Step 5: Solve for x
    x = 5,503,105,974.71/83,544.32
  6. Step 6: Final answer
    x = 65,870.50

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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.