Home / 84,816.91-127,031.59-40,474.80

Finding the Fourth Proportional to 84,816.91, 127,031.59 and 40,474.80

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Solution

The fourth proportional to 84,816.91, 127,031.59 and 40,474.80 is: 60,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.91 : 127,031.59 = 40,474.80 : x
  2. Step 2: Convert to fraction form
    84,816.91/127,031.59 = 40,474.80/x
  3. Step 3: Cross multiply
    84,816.91x = 127,031.59 × 40,474.80
  4. Step 4: Simplify right side
    84,816.91x = 5,141,578,097.75
  5. Step 5: Solve for x
    x = 5,141,578,097.75/84,816.91
  6. Step 6: Final answer
    x = 60,619.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.