Home / 91,458.06-126,204.93-51,168.66

Finding the Fourth Proportional to 91,458.06, 126,204.93 and 51,168.66

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Solution

The fourth proportional to 91,458.06, 126,204.93 and 51,168.66 is: 70,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,458.06 : 126,204.93 = 51,168.66 : x
  2. Step 2: Convert to fraction form
    91,458.06/126,204.93 = 51,168.66/x
  3. Step 3: Cross multiply
    91,458.06x = 126,204.93 × 51,168.66
  4. Step 4: Simplify right side
    91,458.06x = 6,457,737,153.49
  5. Step 5: Solve for x
    x = 6,457,737,153.49/91,458.06
  6. Step 6: Final answer
    x = 70,608.73

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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.