Home / 145,126.29-217,773.51-60,879

Finding the Fourth Proportional to 145,126.29, 217,773.51 and 60,879

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Solution

The fourth proportional to 145,126.29, 217,773.51 and 60,879 is: 91,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,126.29 : 217,773.51 = 60,879 : x
  2. Step 2: Convert to fraction form
    145,126.29/217,773.51 = 60,879/x
  3. Step 3: Cross multiply
    145,126.29x = 217,773.51 × 60,879
  4. Step 4: Simplify right side
    145,126.29x = 13,257,833,515.29
  5. Step 5: Solve for x
    x = 13,257,833,515.29/145,126.29
  6. Step 6: Final answer
    x = 91,353.77

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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.