Home / 72,414.94-99,927.14-40,577.68

Finding the Fourth Proportional to 72,414.94, 99,927.14 and 40,577.68

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Solution

The fourth proportional to 72,414.94, 99,927.14 and 40,577.68 is: 55,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414.94 : 99,927.14 = 40,577.68 : x
  2. Step 2: Convert to fraction form
    72,414.94/99,927.14 = 40,577.68/x
  3. Step 3: Cross multiply
    72,414.94x = 99,927.14 × 40,577.68
  4. Step 4: Simplify right side
    72,414.94x = 4,054,811,510.24
  5. Step 5: Solve for x
    x = 4,054,811,510.24/72,414.94
  6. Step 6: Final answer
    x = 55,994.13

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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.