Home / 74,064.96-111,113.76-21,476.64

Finding the Fourth Proportional to 74,064.96, 111,113.76 and 21,476.64

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Solution

The fourth proportional to 74,064.96, 111,113.76 and 21,476.64 is: 32,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,064.96 : 111,113.76 = 21,476.64 : x
  2. Step 2: Convert to fraction form
    74,064.96/111,113.76 = 21,476.64/x
  3. Step 3: Cross multiply
    74,064.96x = 111,113.76 × 21,476.64
  4. Step 4: Simplify right side
    74,064.96x = 2,386,350,222.57
  5. Step 5: Solve for x
    x = 2,386,350,222.57/74,064.96
  6. Step 6: Final answer
    x = 32,219.69

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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.