Home / 65,475.08-90,355.62-35,667.08

Finding the Fourth Proportional to 65,475.08, 90,355.62 and 35,667.08

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Solution

The fourth proportional to 65,475.08, 90,355.62 and 35,667.08 is: 49,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,475.08 : 90,355.62 = 35,667.08 : x
  2. Step 2: Convert to fraction form
    65,475.08/90,355.62 = 35,667.08/x
  3. Step 3: Cross multiply
    65,475.08x = 90,355.62 × 35,667.08
  4. Step 4: Simplify right side
    65,475.08x = 3,222,721,126.99
  5. Step 5: Solve for x
    x = 3,222,721,126.99/65,475.08
  6. Step 6: Final answer
    x = 49,220.58

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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.