Home / 83,002.36-124,383.93-47,353.80

Finding the Fourth Proportional to 83,002.36, 124,383.93 and 47,353.80

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Solution

The fourth proportional to 83,002.36, 124,383.93 and 47,353.80 is: 70,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,002.36 : 124,383.93 = 47,353.80 : x
  2. Step 2: Convert to fraction form
    83,002.36/124,383.93 = 47,353.80/x
  3. Step 3: Cross multiply
    83,002.36x = 124,383.93 × 47,353.80
  4. Step 4: Simplify right side
    83,002.36x = 5,890,051,744.43
  5. Step 5: Solve for x
    x = 5,890,051,744.43/83,002.36
  6. Step 6: Final answer
    x = 70,962.46

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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.