Home / 63,015.86-86,961.09-34,336.75

Finding the Fourth Proportional to 63,015.86, 86,961.09 and 34,336.75

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Solution

The fourth proportional to 63,015.86, 86,961.09 and 34,336.75 is: 47,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,015.86 : 86,961.09 = 34,336.75 : x
  2. Step 2: Convert to fraction form
    63,015.86/86,961.09 = 34,336.75/x
  3. Step 3: Cross multiply
    63,015.86x = 86,961.09 × 34,336.75
  4. Step 4: Simplify right side
    63,015.86x = 2,985,960,772.25
  5. Step 5: Solve for x
    x = 2,985,960,772.25/63,015.86
  6. Step 6: Final answer
    x = 47,384.27

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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.