Home / 78,419.08-108,201-44,424.56

Finding the Fourth Proportional to 78,419.08, 108,201 and 44,424.56

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Solution

The fourth proportional to 78,419.08, 108,201 and 44,424.56 is: 61,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,419.08 : 108,201 = 44,424.56 : x
  2. Step 2: Convert to fraction form
    78,419.08/108,201 = 44,424.56/x
  3. Step 3: Cross multiply
    78,419.08x = 108,201 × 44,424.56
  4. Step 4: Simplify right side
    78,419.08x = 4,806,781,816.56
  5. Step 5: Solve for x
    x = 4,806,781,816.56/78,419.08
  6. Step 6: Final answer
    x = 61,296.08

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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.