Home / 102,626.68-141,627.22-57,303.13

Finding the Fourth Proportional to 102,626.68, 141,627.22 and 57,303.13

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Solution

The fourth proportional to 102,626.68, 141,627.22 and 57,303.13 is: 79,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,626.68 : 141,627.22 = 57,303.13 : x
  2. Step 2: Convert to fraction form
    102,626.68/141,627.22 = 57,303.13/x
  3. Step 3: Cross multiply
    102,626.68x = 141,627.22 × 57,303.13
  4. Step 4: Simplify right side
    102,626.68x = 8,115,682,999.20
  5. Step 5: Solve for x
    x = 8,115,682,999.20/102,626.68
  6. Step 6: Final answer
    x = 79,079.66

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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.