Home / 55,931.06-83,896.50-38,347.58

Finding the Fourth Proportional to 55,931.06, 83,896.50 and 38,347.58

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Solution

The fourth proportional to 55,931.06, 83,896.50 and 38,347.58 is: 57,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,931.06 : 83,896.50 = 38,347.58 : x
  2. Step 2: Convert to fraction form
    55,931.06/83,896.50 = 38,347.58/x
  3. Step 3: Cross multiply
    55,931.06x = 83,896.50 × 38,347.58
  4. Step 4: Simplify right side
    55,931.06x = 3,217,227,745.47
  5. Step 5: Solve for x
    x = 3,217,227,745.47/55,931.06
  6. Step 6: Final answer
    x = 57,521.31

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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.