Home / 121,465.02-167,621.96-67,753.52

Finding the Fourth Proportional to 121,465.02, 167,621.96 and 67,753.52

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Solution

The fourth proportional to 121,465.02, 167,621.96 and 67,753.52 is: 93,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,465.02 : 167,621.96 = 67,753.52 : x
  2. Step 2: Convert to fraction form
    121,465.02/167,621.96 = 67,753.52/x
  3. Step 3: Cross multiply
    121,465.02x = 167,621.96 × 67,753.52
  4. Step 4: Simplify right side
    121,465.02x = 11,356,976,642.42
  5. Step 5: Solve for x
    x = 11,356,976,642.42/121,465.02
  6. Step 6: Final answer
    x = 93,499.98

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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.