Home / 121,066.24-167,068.36-70,071.92

Finding the Fourth Proportional to 121,066.24, 167,068.36 and 70,071.92

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Solution

The fourth proportional to 121,066.24, 167,068.36 and 70,071.92 is: 96,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,066.24 : 167,068.36 = 70,071.92 : x
  2. Step 2: Convert to fraction form
    121,066.24/167,068.36 = 70,071.92/x
  3. Step 3: Cross multiply
    121,066.24x = 167,068.36 × 70,071.92
  4. Step 4: Simplify right side
    121,066.24x = 11,706,800,756.45
  5. Step 5: Solve for x
    x = 11,706,800,756.45/121,066.24
  6. Step 6: Final answer
    x = 96,697.48

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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.