Home / 92,964.30-128,287.12-50,521.92

Finding the Fourth Proportional to 92,964.30, 128,287.12 and 50,521.92

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Solution

The fourth proportional to 92,964.30, 128,287.12 and 50,521.92 is: 69,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,964.30 : 128,287.12 = 50,521.92 : x
  2. Step 2: Convert to fraction form
    92,964.30/128,287.12 = 50,521.92/x
  3. Step 3: Cross multiply
    92,964.30x = 128,287.12 × 50,521.92
  4. Step 4: Simplify right side
    92,964.30x = 6,481,312,060.69
  5. Step 5: Solve for x
    x = 6,481,312,060.69/92,964.30
  6. Step 6: Final answer
    x = 69,718.29

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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.