Home / 82,472.58-123,648.32-26,280.35

Finding the Fourth Proportional to 82,472.58, 123,648.32 and 26,280.35

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Solution

The fourth proportional to 82,472.58, 123,648.32 and 26,280.35 is: 39,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,472.58 : 123,648.32 = 26,280.35 : x
  2. Step 2: Convert to fraction form
    82,472.58/123,648.32 = 26,280.35/x
  3. Step 3: Cross multiply
    82,472.58x = 123,648.32 × 26,280.35
  4. Step 4: Simplify right side
    82,472.58x = 3,249,520,376.87
  5. Step 5: Solve for x
    x = 3,249,520,376.87/82,472.58
  6. Step 6: Final answer
    x = 39,401.22

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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.