Home / 77,525.16-116,295.78-21,365.28

Finding the Fourth Proportional to 77,525.16, 116,295.78 and 21,365.28

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Solution

The fourth proportional to 77,525.16, 116,295.78 and 21,365.28 is: 32,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,525.16 : 116,295.78 = 21,365.28 : x
  2. Step 2: Convert to fraction form
    77,525.16/116,295.78 = 21,365.28/x
  3. Step 3: Cross multiply
    77,525.16x = 116,295.78 × 21,365.28
  4. Step 4: Simplify right side
    77,525.16x = 2,484,691,655.56
  5. Step 5: Solve for x
    x = 2,484,691,655.56/77,525.16
  6. Step 6: Final answer
    x = 32,050.13

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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.