Home / 51,700.45-77,565.08-25,406.05

Finding the Fourth Proportional to 51,700.45, 77,565.08 and 25,406.05

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Solution

The fourth proportional to 51,700.45, 77,565.08 and 25,406.05 is: 38,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,700.45 : 77,565.08 = 25,406.05 : x
  2. Step 2: Convert to fraction form
    51,700.45/77,565.08 = 25,406.05/x
  3. Step 3: Cross multiply
    51,700.45x = 77,565.08 × 25,406.05
  4. Step 4: Simplify right side
    51,700.45x = 1,970,622,173.70
  5. Step 5: Solve for x
    x = 1,970,622,173.70/51,700.45
  6. Step 6: Final answer
    x = 38,116.15

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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.