Home / 102,289.08-141,118.38-62,568.12

Finding the Fourth Proportional to 102,289.08, 141,118.38 and 62,568.12

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Solution

The fourth proportional to 102,289.08, 141,118.38 and 62,568.12 is: 86,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,289.08 : 141,118.38 = 62,568.12 : x
  2. Step 2: Convert to fraction form
    102,289.08/141,118.38 = 62,568.12/x
  3. Step 3: Cross multiply
    102,289.08x = 141,118.38 × 62,568.12
  4. Step 4: Simplify right side
    102,289.08x = 8,829,511,734.05
  5. Step 5: Solve for x
    x = 8,829,511,734.05/102,289.08
  6. Step 6: Final answer
    x = 86,319.20

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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.