Home / 121,567.44-167,771.52-67,862.94

Finding the Fourth Proportional to 121,567.44, 167,771.52 and 67,862.94

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Solution

The fourth proportional to 121,567.44, 167,771.52 and 67,862.94 is: 93,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,567.44 : 167,771.52 = 67,862.94 : x
  2. Step 2: Convert to fraction form
    121,567.44/167,771.52 = 67,862.94/x
  3. Step 3: Cross multiply
    121,567.44x = 167,771.52 × 67,862.94
  4. Step 4: Simplify right side
    121,567.44x = 11,385,468,595.47
  5. Step 5: Solve for x
    x = 11,385,468,595.47/121,567.44
  6. Step 6: Final answer
    x = 93,655.58

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1.5x scale

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.