Home / 78,316.25-108,050.69-44,321.36

Finding the Fourth Proportional to 78,316.25, 108,050.69 and 44,321.36

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Solution

The fourth proportional to 78,316.25, 108,050.69 and 44,321.36 is: 61,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,316.25 : 108,050.69 = 44,321.36 : x
  2. Step 2: Convert to fraction form
    78,316.25/108,050.69 = 44,321.36/x
  3. Step 3: Cross multiply
    78,316.25x = 108,050.69 × 44,321.36
  4. Step 4: Simplify right side
    78,316.25x = 4,788,953,100.29
  5. Step 5: Solve for x
    x = 4,788,953,100.29/78,316.25
  6. Step 6: Final answer
    x = 61,148.91

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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.