Home / 65,919.06-90,945.72-37,235.34

Finding the Fourth Proportional to 65,919.06, 90,945.72 and 37,235.34

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Solution

The fourth proportional to 65,919.06, 90,945.72 and 37,235.34 is: 51,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.06 : 90,945.72 = 37,235.34 : x
  2. Step 2: Convert to fraction form
    65,919.06/90,945.72 = 37,235.34/x
  3. Step 3: Cross multiply
    65,919.06x = 90,945.72 × 37,235.34
  4. Step 4: Simplify right side
    65,919.06x = 3,386,394,805.74
  5. Step 5: Solve for x
    x = 3,386,394,805.74/65,919.06
  6. Step 6: Final answer
    x = 51,372.01

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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.