Home / 72,348.64-99,823.08-41,731.09

Finding the Fourth Proportional to 72,348.64, 99,823.08 and 41,731.09

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Solution

The fourth proportional to 72,348.64, 99,823.08 and 41,731.09 is: 57,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348.64 : 99,823.08 = 41,731.09 : x
  2. Step 2: Convert to fraction form
    72,348.64/99,823.08 = 41,731.09/x
  3. Step 3: Cross multiply
    72,348.64x = 99,823.08 × 41,731.09
  4. Step 4: Simplify right side
    72,348.64x = 4,165,725,935.56
  5. Step 5: Solve for x
    x = 4,165,725,935.56/72,348.64
  6. Step 6: Final answer
    x = 57,578.50

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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.