Home / 121,079.57-167,087.19-70,094.45

Finding the Fourth Proportional to 121,079.57, 167,087.19 and 70,094.45

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Solution

The fourth proportional to 121,079.57, 167,087.19 and 70,094.45 is: 96,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,079.57 : 167,087.19 = 70,094.45 : x
  2. Step 2: Convert to fraction form
    121,079.57/167,087.19 = 70,094.45/x
  3. Step 3: Cross multiply
    121,079.57x = 167,087.19 × 70,094.45
  4. Step 4: Simplify right side
    121,079.57x = 11,711,885,365.67
  5. Step 5: Solve for x
    x = 11,711,885,365.67/121,079.57
  6. Step 6: Final answer
    x = 96,728.84

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1.5x scale

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.