Home / 78,501.06-108,257.04-60,567.66

Finding the Fourth Proportional to 78,501.06, 108,257.04 and 60,567.66

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Solution

The fourth proportional to 78,501.06, 108,257.04 and 60,567.66 is: 83,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,501.06 : 108,257.04 = 60,567.66 : x
  2. Step 2: Convert to fraction form
    78,501.06/108,257.04 = 60,567.66/x
  3. Step 3: Cross multiply
    78,501.06x = 108,257.04 × 60,567.66
  4. Step 4: Simplify right side
    78,501.06x = 6,556,875,591.33
  5. Step 5: Solve for x
    x = 6,556,875,591.33/78,501.06
  6. Step 6: Final answer
    x = 83,525.95

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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.