Home / 51,780.96-77,657.28-14,332.08

Finding the Fourth Proportional to 51,780.96, 77,657.28 and 14,332.08

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Solution

The fourth proportional to 51,780.96, 77,657.28 and 14,332.08 is: 21,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,780.96 : 77,657.28 = 14,332.08 : x
  2. Step 2: Convert to fraction form
    51,780.96/77,657.28 = 14,332.08/x
  3. Step 3: Cross multiply
    51,780.96x = 77,657.28 × 14,332.08
  4. Step 4: Simplify right side
    51,780.96x = 1,112,990,349.54
  5. Step 5: Solve for x
    x = 1,112,990,349.54/51,780.96
  6. Step 6: Final answer
    x = 21,494.20

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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.