Home / 65,572.45-98,284.25-57,659.66

Finding the Fourth Proportional to 65,572.45, 98,284.25 and 57,659.66

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Solution

The fourth proportional to 65,572.45, 98,284.25 and 57,659.66 is: 86,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,572.45 : 98,284.25 = 57,659.66 : x
  2. Step 2: Convert to fraction form
    65,572.45/98,284.25 = 57,659.66/x
  3. Step 3: Cross multiply
    65,572.45x = 98,284.25 × 57,659.66
  4. Step 4: Simplify right side
    65,572.45x = 5,667,036,459.65
  5. Step 5: Solve for x
    x = 5,667,036,459.65/65,572.45
  6. Step 6: Final answer
    x = 86,424.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.