Home / 63,450.72-87,563.16-38,314.80

Finding the Fourth Proportional to 63,450.72, 87,563.16 and 38,314.80

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Solution

The fourth proportional to 63,450.72, 87,563.16 and 38,314.80 is: 52,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,450.72 : 87,563.16 = 38,314.80 : x
  2. Step 2: Convert to fraction form
    63,450.72/87,563.16 = 38,314.80/x
  3. Step 3: Cross multiply
    63,450.72x = 87,563.16 × 38,314.80
  4. Step 4: Simplify right side
    63,450.72x = 3,354,964,962.77
  5. Step 5: Solve for x
    x = 3,354,964,962.77/63,450.72
  6. Step 6: Final answer
    x = 52,875.13

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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.