Home / 121,272.60-167,368.50-67,566.36

Finding the Fourth Proportional to 121,272.60, 167,368.50 and 67,566.36

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Solution

The fourth proportional to 121,272.60, 167,368.50 and 67,566.36 is: 93,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,272.60 : 167,368.50 = 67,566.36 : x
  2. Step 2: Convert to fraction form
    121,272.60/167,368.50 = 67,566.36/x
  3. Step 3: Cross multiply
    121,272.60x = 167,368.50 × 67,566.36
  4. Step 4: Simplify right side
    121,272.60x = 11,308,480,323.66
  5. Step 5: Solve for x
    x = 11,308,480,323.66/121,272.60
  6. Step 6: Final answer
    x = 93,248.44

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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.