Home / 101,471.07-152,207.62-45,314.02

Finding the Fourth Proportional to 101,471.07, 152,207.62 and 45,314.02

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Solution

The fourth proportional to 101,471.07, 152,207.62 and 45,314.02 is: 67,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,471.07 : 152,207.62 = 45,314.02 : x
  2. Step 2: Convert to fraction form
    101,471.07/152,207.62 = 45,314.02/x
  3. Step 3: Cross multiply
    101,471.07x = 152,207.62 × 45,314.02
  4. Step 4: Simplify right side
    101,471.07x = 6,897,139,136.83
  5. Step 5: Solve for x
    x = 6,897,139,136.83/101,471.07
  6. Step 6: Final answer
    x = 67,971.48

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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.