Home / 72,827.07-100,499.85-40,995.69

Finding the Fourth Proportional to 72,827.07, 100,499.85 and 40,995.69

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Solution

The fourth proportional to 72,827.07, 100,499.85 and 40,995.69 is: 56,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827.07 : 100,499.85 = 40,995.69 : x
  2. Step 2: Convert to fraction form
    72,827.07/100,499.85 = 40,995.69/x
  3. Step 3: Cross multiply
    72,827.07x = 100,499.85 × 40,995.69
  4. Step 4: Simplify right side
    72,827.07x = 4,120,060,695.65
  5. Step 5: Solve for x
    x = 4,120,060,695.65/72,827.07
  6. Step 6: Final answer
    x = 56,573.20

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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.