Home / 72,290.04-99,760.24-40,458.93

Finding the Fourth Proportional to 72,290.04, 99,760.24 and 40,458.93

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Solution

The fourth proportional to 72,290.04, 99,760.24 and 40,458.93 is: 55,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,290.04 : 99,760.24 = 40,458.93 : x
  2. Step 2: Convert to fraction form
    72,290.04/99,760.24 = 40,458.93/x
  3. Step 3: Cross multiply
    72,290.04x = 99,760.24 × 40,458.93
  4. Step 4: Simplify right side
    72,290.04x = 4,036,192,614.05
  5. Step 5: Solve for x
    x = 4,036,192,614.05/72,290.04
  6. Step 6: Final answer
    x = 55,833.32

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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.