Home / 72,377.12-99,856.49-43,685.88

Finding the Fourth Proportional to 72,377.12, 99,856.49 and 43,685.88

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Solution

The fourth proportional to 72,377.12, 99,856.49 and 43,685.88 is: 60,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,377.12 : 99,856.49 = 43,685.88 : x
  2. Step 2: Convert to fraction form
    72,377.12/99,856.49 = 43,685.88/x
  3. Step 3: Cross multiply
    72,377.12x = 99,856.49 × 43,685.88
  4. Step 4: Simplify right side
    72,377.12x = 4,362,318,140.08
  5. Step 5: Solve for x
    x = 4,362,318,140.08/72,377.12
  6. Step 6: Final answer
    x = 60,272.06

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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.