Home / 74,362.50-111,521.88-21,759.48

Finding the Fourth Proportional to 74,362.50, 111,521.88 and 21,759.48

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Solution

The fourth proportional to 74,362.50, 111,521.88 and 21,759.48 is: 32,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,362.50 : 111,521.88 = 21,759.48 : x
  2. Step 2: Convert to fraction form
    74,362.50/111,521.88 = 21,759.48/x
  3. Step 3: Cross multiply
    74,362.50x = 111,521.88 × 21,759.48
  4. Step 4: Simplify right side
    74,362.50x = 2,426,658,117.42
  5. Step 5: Solve for x
    x = 2,426,658,117.42/74,362.50
  6. Step 6: Final answer
    x = 32,632.82

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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.