Home / 82,315.11-113,603.28-59,363.91

Finding the Fourth Proportional to 82,315.11, 113,603.28 and 59,363.91

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Solution

The fourth proportional to 82,315.11, 113,603.28 and 59,363.91 is: 81,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,315.11 : 113,603.28 = 59,363.91 : x
  2. Step 2: Convert to fraction form
    82,315.11/113,603.28 = 59,363.91/x
  3. Step 3: Cross multiply
    82,315.11x = 113,603.28 × 59,363.91
  4. Step 4: Simplify right side
    82,315.11x = 6,743,934,889.62
  5. Step 5: Solve for x
    x = 6,743,934,889.62/82,315.11
  6. Step 6: Final answer
    x = 81,928.27

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1.5x scale

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.