Home / 70,681.03-106,057.42-47,005.05

Finding the Fourth Proportional to 70,681.03, 106,057.42 and 47,005.05

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Solution

The fourth proportional to 70,681.03, 106,057.42 and 47,005.05 is: 70,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,681.03 : 106,057.42 = 47,005.05 : x
  2. Step 2: Convert to fraction form
    70,681.03/106,057.42 = 47,005.05/x
  3. Step 3: Cross multiply
    70,681.03x = 106,057.42 × 47,005.05
  4. Step 4: Simplify right side
    70,681.03x = 4,985,233,799.68
  5. Step 5: Solve for x
    x = 4,985,233,799.68/70,681.03
  6. Step 6: Final answer
    x = 70,531.43

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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.