Home / 82,106.22-123,085.21-29,503.40

Finding the Fourth Proportional to 82,106.22, 123,085.21 and 29,503.40

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Solution

The fourth proportional to 82,106.22, 123,085.21 and 29,503.40 is: 44,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,106.22 : 123,085.21 = 29,503.40 : x
  2. Step 2: Convert to fraction form
    82,106.22/123,085.21 = 29,503.40/x
  3. Step 3: Cross multiply
    82,106.22x = 123,085.21 × 29,503.40
  4. Step 4: Simplify right side
    82,106.22x = 3,631,432,184.71
  5. Step 5: Solve for x
    x = 3,631,432,184.71/82,106.22
  6. Step 6: Final answer
    x = 44,228.47

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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.