Home / 91,937.36-126,873.33-53,723.18

Finding the Fourth Proportional to 91,937.36, 126,873.33 and 53,723.18

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Solution

The fourth proportional to 91,937.36, 126,873.33 and 53,723.18 is: 74,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,937.36 : 126,873.33 = 53,723.18 : x
  2. Step 2: Convert to fraction form
    91,937.36/126,873.33 = 53,723.18/x
  3. Step 3: Cross multiply
    91,937.36x = 126,873.33 × 53,723.18
  4. Step 4: Simplify right side
    91,937.36x = 6,816,038,744.79
  5. Step 5: Solve for x
    x = 6,816,038,744.79/91,937.36
  6. Step 6: Final answer
    x = 74,137.86

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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.