Home / 121,436.02-167,582.40-67,723.30

Finding the Fourth Proportional to 121,436.02, 167,582.40 and 67,723.30

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Solution

The fourth proportional to 121,436.02, 167,582.40 and 67,723.30 is: 93,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,436.02 : 167,582.40 = 67,723.30 : x
  2. Step 2: Convert to fraction form
    121,436.02/167,582.40 = 67,723.30/x
  3. Step 3: Cross multiply
    121,436.02x = 167,582.40 × 67,723.30
  4. Step 4: Simplify right side
    121,436.02x = 11,349,233,149.92
  5. Step 5: Solve for x
    x = 11,349,233,149.92/121,436.02
  6. Step 6: Final answer
    x = 93,458.54

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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.