Home / 63,558.10-87,709.93-34,878.23

Finding the Fourth Proportional to 63,558.10, 87,709.93 and 34,878.23

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Solution

The fourth proportional to 63,558.10, 87,709.93 and 34,878.23 is: 48,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,558.10 : 87,709.93 = 34,878.23 : x
  2. Step 2: Convert to fraction form
    63,558.10/87,709.93 = 34,878.23/x
  3. Step 3: Cross multiply
    63,558.10x = 87,709.93 × 34,878.23
  4. Step 4: Simplify right side
    63,558.10x = 3,059,167,243.90
  5. Step 5: Solve for x
    x = 3,059,167,243.90/63,558.10
  6. Step 6: Final answer
    x = 48,131.83

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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.