Home / 63,189.12-87,201.16-34,509.04

Finding the Fourth Proportional to 63,189.12, 87,201.16 and 34,509.04

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Solution

The fourth proportional to 63,189.12, 87,201.16 and 34,509.04 is: 47,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,189.12 : 87,201.16 = 34,509.04 : x
  2. Step 2: Convert to fraction form
    63,189.12/87,201.16 = 34,509.04/x
  3. Step 3: Cross multiply
    63,189.12x = 87,201.16 × 34,509.04
  4. Step 4: Simplify right side
    63,189.12x = 3,009,228,318.49
  5. Step 5: Solve for x
    x = 3,009,228,318.49/63,189.12
  6. Step 6: Final answer
    x = 47,622.57

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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.