Home / 65,723.06-90,697.85-35,508.36

Finding the Fourth Proportional to 65,723.06, 90,697.85 and 35,508.36

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Solution

The fourth proportional to 65,723.06, 90,697.85 and 35,508.36 is: 49,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.06 : 90,697.85 = 35,508.36 : x
  2. Step 2: Convert to fraction form
    65,723.06/90,697.85 = 35,508.36/x
  3. Step 3: Cross multiply
    65,723.06x = 90,697.85 × 35,508.36
  4. Step 4: Simplify right side
    65,723.06x = 3,220,531,731.48
  5. Step 5: Solve for x
    x = 3,220,531,731.48/65,723.06
  6. Step 6: Final answer
    x = 49,001.55

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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.