Home / 72,260.94-108,456.57-42,705.66

Finding the Fourth Proportional to 72,260.94, 108,456.57 and 42,705.66

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Solution

The fourth proportional to 72,260.94, 108,456.57 and 42,705.66 is: 64,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,260.94 : 108,456.57 = 42,705.66 : x
  2. Step 2: Convert to fraction form
    72,260.94/108,456.57 = 42,705.66/x
  3. Step 3: Cross multiply
    72,260.94x = 108,456.57 × 42,705.66
  4. Step 4: Simplify right side
    72,260.94x = 4,631,709,403.19
  5. Step 5: Solve for x
    x = 4,631,709,403.19/72,260.94
  6. Step 6: Final answer
    x = 64,097.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.