Home / 47,084.16-70,632-19,390.08

Finding the Fourth Proportional to 47,084.16, 70,632 and 19,390.08

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Solution

The fourth proportional to 47,084.16, 70,632 and 19,390.08 is: 29,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,084.16 : 70,632 = 19,390.08 : x
  2. Step 2: Convert to fraction form
    47,084.16/70,632 = 19,390.08/x
  3. Step 3: Cross multiply
    47,084.16x = 70,632 × 19,390.08
  4. Step 4: Simplify right side
    47,084.16x = 1,369,560,130.56
  5. Step 5: Solve for x
    x = 1,369,560,130.56/47,084.16
  6. Step 6: Final answer
    x = 29,087.49

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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.