Home / 90,744.06-125,208.36-53,011.02

Finding the Fourth Proportional to 90,744.06, 125,208.36 and 53,011.02

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Solution

The fourth proportional to 90,744.06, 125,208.36 and 53,011.02 is: 73,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744.06 : 125,208.36 = 53,011.02 : x
  2. Step 2: Convert to fraction form
    90,744.06/125,208.36 = 53,011.02/x
  3. Step 3: Cross multiply
    90,744.06x = 125,208.36 × 53,011.02
  4. Step 4: Simplify right side
    90,744.06x = 6,637,422,876.13
  5. Step 5: Solve for x
    x = 6,637,422,876.13/90,744.06
  6. Step 6: Final answer
    x = 73,144.43

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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.