Home / 121,347.13-167,464.75-67,632.52

Finding the Fourth Proportional to 121,347.13, 167,464.75 and 67,632.52

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Solution

The fourth proportional to 121,347.13, 167,464.75 and 67,632.52 is: 93,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,347.13 : 167,464.75 = 67,632.52 : x
  2. Step 2: Convert to fraction form
    121,347.13/167,464.75 = 67,632.52/x
  3. Step 3: Cross multiply
    121,347.13x = 167,464.75 × 67,632.52
  4. Step 4: Simplify right side
    121,347.13x = 11,326,063,053.67
  5. Step 5: Solve for x
    x = 11,326,063,053.67/121,347.13
  6. Step 6: Final answer
    x = 93,336.06

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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.