Home / 63,175.86-87,144.93-38,020.50

Finding the Fourth Proportional to 63,175.86, 87,144.93 and 38,020.50

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Solution

The fourth proportional to 63,175.86, 87,144.93 and 38,020.50 is: 52,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,175.86 : 87,144.93 = 38,020.50 : x
  2. Step 2: Convert to fraction form
    63,175.86/87,144.93 = 38,020.50/x
  3. Step 3: Cross multiply
    63,175.86x = 87,144.93 × 38,020.50
  4. Step 4: Simplify right side
    63,175.86x = 3,313,293,811.07
  5. Step 5: Solve for x
    x = 3,313,293,811.07/63,175.86
  6. Step 6: Final answer
    x = 52,445.57

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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.