Home / 62,711.08-94,079.58-21,157.48

Finding the Fourth Proportional to 62,711.08, 94,079.58 and 21,157.48

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Solution

The fourth proportional to 62,711.08, 94,079.58 and 21,157.48 is: 31,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,711.08 : 94,079.58 = 21,157.48 : x
  2. Step 2: Convert to fraction form
    62,711.08/94,079.58 = 21,157.48/x
  3. Step 3: Cross multiply
    62,711.08x = 94,079.58 × 21,157.48
  4. Step 4: Simplify right side
    62,711.08x = 1,990,486,832.26
  5. Step 5: Solve for x
    x = 1,990,486,832.26/62,711.08
  6. Step 6: Final answer
    x = 31,740.59

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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.