Home / 63,647.08-87,834.90-38,482.12

Finding the Fourth Proportional to 63,647.08, 87,834.90 and 38,482.12

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Solution

The fourth proportional to 63,647.08, 87,834.90 and 38,482.12 is: 53,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,647.08 : 87,834.90 = 38,482.12 : x
  2. Step 2: Convert to fraction form
    63,647.08/87,834.90 = 38,482.12/x
  3. Step 3: Cross multiply
    63,647.08x = 87,834.90 × 38,482.12
  4. Step 4: Simplify right side
    63,647.08x = 3,380,073,161.99
  5. Step 5: Solve for x
    x = 3,380,073,161.99/63,647.08
  6. Step 6: Final answer
    x = 53,106.49

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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.