Home / 55,586.57-76,708.73-31,713.63

Finding the Fourth Proportional to 55,586.57, 76,708.73 and 31,713.63

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Solution

The fourth proportional to 55,586.57, 76,708.73 and 31,713.63 is: 43,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.57 : 76,708.73 = 31,713.63 : x
  2. Step 2: Convert to fraction form
    55,586.57/76,708.73 = 31,713.63/x
  3. Step 3: Cross multiply
    55,586.57x = 76,708.73 × 31,713.63
  4. Step 4: Simplify right side
    55,586.57x = 2,432,712,122.42
  5. Step 5: Solve for x
    x = 2,432,712,122.42/55,586.57
  6. Step 6: Final answer
    x = 43,764.39

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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.