Home / 55,586.74-76,721.61-35,438.98

Finding the Fourth Proportional to 55,586.74, 76,721.61 and 35,438.98

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Solution

The fourth proportional to 55,586.74, 76,721.61 and 35,438.98 is: 48,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.74 : 76,721.61 = 35,438.98 : x
  2. Step 2: Convert to fraction form
    55,586.74/76,721.61 = 35,438.98/x
  3. Step 3: Cross multiply
    55,586.74x = 76,721.61 × 35,438.98
  4. Step 4: Simplify right side
    55,586.74x = 2,718,935,602.36
  5. Step 5: Solve for x
    x = 2,718,935,602.36/55,586.74
  6. Step 6: Final answer
    x = 48,913.38

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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.