Home / 55,638.28-83,039.45-48,108.52

Finding the Fourth Proportional to 55,638.28, 83,039.45 and 48,108.52

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Solution

The fourth proportional to 55,638.28, 83,039.45 and 48,108.52 is: 71,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638.28 : 83,039.45 = 48,108.52 : x
  2. Step 2: Convert to fraction form
    55,638.28/83,039.45 = 48,108.52/x
  3. Step 3: Cross multiply
    55,638.28x = 83,039.45 × 48,108.52
  4. Step 4: Simplify right side
    55,638.28x = 3,994,905,041.11
  5. Step 5: Solve for x
    x = 3,994,905,041.11/55,638.28
  6. Step 6: Final answer
    x = 71,801.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.