Home / 63,140.96-87,134.76-34,847.36

Finding the Fourth Proportional to 63,140.96, 87,134.76 and 34,847.36

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Solution

The fourth proportional to 63,140.96, 87,134.76 and 34,847.36 is: 48,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.96 : 87,134.76 = 34,847.36 : x
  2. Step 2: Convert to fraction form
    63,140.96/87,134.76 = 34,847.36/x
  3. Step 3: Cross multiply
    63,140.96x = 87,134.76 × 34,847.36
  4. Step 4: Simplify right side
    63,140.96x = 3,036,416,350.23
  5. Step 5: Solve for x
    x = 3,036,416,350.23/63,140.96
  6. Step 6: Final answer
    x = 48,089.49

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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.