Home / 72,230.06-99,677.75-40,396.93

Finding the Fourth Proportional to 72,230.06, 99,677.75 and 40,396.93

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Solution

The fourth proportional to 72,230.06, 99,677.75 and 40,396.93 is: 55,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,230.06 : 99,677.75 = 40,396.93 : x
  2. Step 2: Convert to fraction form
    72,230.06/99,677.75 = 40,396.93/x
  3. Step 3: Cross multiply
    72,230.06x = 99,677.75 × 40,396.93
  4. Step 4: Simplify right side
    72,230.06x = 4,026,675,089.31
  5. Step 5: Solve for x
    x = 4,026,675,089.31/72,230.06
  6. Step 6: Final answer
    x = 55,747.91

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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.