Home / 77,189.07-115,705.02-35,099.04

Finding the Fourth Proportional to 77,189.07, 115,705.02 and 35,099.04

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Solution

The fourth proportional to 77,189.07, 115,705.02 and 35,099.04 is: 52,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,189.07 : 115,705.02 = 35,099.04 : x
  2. Step 2: Convert to fraction form
    77,189.07/115,705.02 = 35,099.04/x
  3. Step 3: Cross multiply
    77,189.07x = 115,705.02 × 35,099.04
  4. Step 4: Simplify right side
    77,189.07x = 4,061,135,125.18
  5. Step 5: Solve for x
    x = 4,061,135,125.18/77,189.07
  6. Step 6: Final answer
    x = 52,612.83

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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.