Home / 121,465.19-167,622.08-70,488.27

Finding the Fourth Proportional to 121,465.19, 167,622.08 and 70,488.27

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Solution

The fourth proportional to 121,465.19, 167,622.08 and 70,488.27 is: 97,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,465.19 : 167,622.08 = 70,488.27 : x
  2. Step 2: Convert to fraction form
    121,465.19/167,622.08 = 70,488.27/x
  3. Step 3: Cross multiply
    121,465.19x = 167,622.08 × 70,488.27
  4. Step 4: Simplify right side
    121,465.19x = 11,815,390,080.56
  5. Step 5: Solve for x
    x = 11,815,390,080.56/121,465.19
  6. Step 6: Final answer
    x = 97,273.88

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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.