Home / 56,122.34-77,429.29-35,990.33

Finding the Fourth Proportional to 56,122.34, 77,429.29 and 35,990.33

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Solution

The fourth proportional to 56,122.34, 77,429.29 and 35,990.33 is: 49,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.34 : 77,429.29 = 35,990.33 : x
  2. Step 2: Convert to fraction form
    56,122.34/77,429.29 = 35,990.33/x
  3. Step 3: Cross multiply
    56,122.34x = 77,429.29 × 35,990.33
  4. Step 4: Simplify right side
    56,122.34x = 2,786,705,390.35
  5. Step 5: Solve for x
    x = 2,786,705,390.35/56,122.34
  6. Step 6: Final answer
    x = 49,654.12

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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.