Home / 90,664.74-125,081.49-52,417.26

Finding the Fourth Proportional to 90,664.74, 125,081.49 and 52,417.26

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Solution

The fourth proportional to 90,664.74, 125,081.49 and 52,417.26 is: 72,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,664.74 : 125,081.49 = 52,417.26 : x
  2. Step 2: Convert to fraction form
    90,664.74/125,081.49 = 52,417.26/x
  3. Step 3: Cross multiply
    90,664.74x = 125,081.49 × 52,417.26
  4. Step 4: Simplify right side
    90,664.74x = 6,556,428,982.52
  5. Step 5: Solve for x
    x = 6,556,428,982.52/90,664.74
  6. Step 6: Final answer
    x = 72,315.09

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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.