Home / 95,666.72-143,428.64-65,999.92

Finding the Fourth Proportional to 95,666.72, 143,428.64 and 65,999.92

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Solution

The fourth proportional to 95,666.72, 143,428.64 and 65,999.92 is: 98,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,666.72 : 143,428.64 = 65,999.92 : x
  2. Step 2: Convert to fraction form
    95,666.72/143,428.64 = 65,999.92/x
  3. Step 3: Cross multiply
    95,666.72x = 143,428.64 × 65,999.92
  4. Step 4: Simplify right side
    95,666.72x = 9,466,278,765.71
  5. Step 5: Solve for x
    x = 9,466,278,765.71/95,666.72
  6. Step 6: Final answer
    x = 98,950.59

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1.5x scale

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.