Home / 88,892.82-122,614.29-57,011.22

Finding the Fourth Proportional to 88,892.82, 122,614.29 and 57,011.22

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Solution

The fourth proportional to 88,892.82, 122,614.29 and 57,011.22 is: 78,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,892.82 : 122,614.29 = 57,011.22 : x
  2. Step 2: Convert to fraction form
    88,892.82/122,614.29 = 57,011.22/x
  3. Step 3: Cross multiply
    88,892.82x = 122,614.29 × 57,011.22
  4. Step 4: Simplify right side
    88,892.82x = 6,990,390,262.33
  5. Step 5: Solve for x
    x = 6,990,390,262.33/88,892.82
  6. Step 6: Final answer
    x = 78,638.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.