Home / 75,188.02-103,522.70-63,835.06

Finding the Fourth Proportional to 75,188.02, 103,522.70 and 63,835.06

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Solution

The fourth proportional to 75,188.02, 103,522.70 and 63,835.06 is: 87,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,188.02 : 103,522.70 = 63,835.06 : x
  2. Step 2: Convert to fraction form
    75,188.02/103,522.70 = 63,835.06/x
  3. Step 3: Cross multiply
    75,188.02x = 103,522.70 × 63,835.06
  4. Step 4: Simplify right side
    75,188.02x = 6,608,377,765.86
  5. Step 5: Solve for x
    x = 6,608,377,765.86/75,188.02
  6. Step 6: Final answer
    x = 87,891.37

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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.