Home / 89,993.12-124,206.41-51,749.65

Finding the Fourth Proportional to 89,993.12, 124,206.41 and 51,749.65

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Solution

The fourth proportional to 89,993.12, 124,206.41 and 51,749.65 is: 71,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,993.12 : 124,206.41 = 51,749.65 : x
  2. Step 2: Convert to fraction form
    89,993.12/124,206.41 = 51,749.65/x
  3. Step 3: Cross multiply
    89,993.12x = 124,206.41 × 51,749.65
  4. Step 4: Simplify right side
    89,993.12x = 6,427,637,365.48
  5. Step 5: Solve for x
    x = 6,427,637,365.48/89,993.12
  6. Step 6: Final answer
    x = 71,423.65

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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.