Home / 72,305.09-108,417.40-22,371.02

Finding the Fourth Proportional to 72,305.09, 108,417.40 and 22,371.02

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Solution

The fourth proportional to 72,305.09, 108,417.40 and 22,371.02 is: 33,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,305.09 : 108,417.40 = 22,371.02 : x
  2. Step 2: Convert to fraction form
    72,305.09/108,417.40 = 22,371.02/x
  3. Step 3: Cross multiply
    72,305.09x = 108,417.40 × 22,371.02
  4. Step 4: Simplify right side
    72,305.09x = 2,425,407,823.75
  5. Step 5: Solve for x
    x = 2,425,407,823.75/72,305.09
  6. Step 6: Final answer
    x = 33,544.08

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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.