Home / 63,073.60-87,038.26-39,199.75

Finding the Fourth Proportional to 63,073.60, 87,038.26 and 39,199.75

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Solution

The fourth proportional to 63,073.60, 87,038.26 and 39,199.75 is: 54,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,073.60 : 87,038.26 = 39,199.75 : x
  2. Step 2: Convert to fraction form
    63,073.60/87,038.26 = 39,199.75/x
  3. Step 3: Cross multiply
    63,073.60x = 87,038.26 × 39,199.75
  4. Step 4: Simplify right side
    63,073.60x = 3,411,878,032.44
  5. Step 5: Solve for x
    x = 3,411,878,032.44/63,073.60
  6. Step 6: Final answer
    x = 54,093.60

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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.