Home / 121,465.17-167,614.72-70,473.95

Finding the Fourth Proportional to 121,465.17, 167,614.72 and 70,473.95

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Solution

The fourth proportional to 121,465.17, 167,614.72 and 70,473.95 is: 97,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,465.17 : 167,614.72 = 70,473.95 : x
  2. Step 2: Convert to fraction form
    121,465.17/167,614.72 = 70,473.95/x
  3. Step 3: Cross multiply
    121,465.17x = 167,614.72 × 70,473.95
  4. Step 4: Simplify right side
    121,465.17x = 11,812,471,010.84
  5. Step 5: Solve for x
    x = 11,812,471,010.84/121,465.17
  6. Step 6: Final answer
    x = 97,249.86

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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.