Home / 63,122.12-87,109-34,828.84

Finding the Fourth Proportional to 63,122.12, 87,109 and 34,828.84

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Solution

The fourth proportional to 63,122.12, 87,109 and 34,828.84 is: 48,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,122.12 : 87,109 = 34,828.84 : x
  2. Step 2: Convert to fraction form
    63,122.12/87,109 = 34,828.84/x
  3. Step 3: Cross multiply
    63,122.12x = 87,109 × 34,828.84
  4. Step 4: Simplify right side
    63,122.12x = 3,033,905,423.56
  5. Step 5: Solve for x
    x = 3,033,905,423.56/63,122.12
  6. Step 6: Final answer
    x = 48,064.06

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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.