Home / 82,953.48-124,408.20-30,363.36

Finding the Fourth Proportional to 82,953.48, 124,408.20 and 30,363.36

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Solution

The fourth proportional to 82,953.48, 124,408.20 and 30,363.36 is: 45,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,953.48 : 124,408.20 = 30,363.36 : x
  2. Step 2: Convert to fraction form
    82,953.48/124,408.20 = 30,363.36/x
  3. Step 3: Cross multiply
    82,953.48x = 124,408.20 × 30,363.36
  4. Step 4: Simplify right side
    82,953.48x = 3,777,450,963.55
  5. Step 5: Solve for x
    x = 3,777,450,963.55/82,953.48
  6. Step 6: Final answer
    x = 45,536.98

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1.5x scale

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.