Home / 109,050.68-163,587.75-45,877.24

Finding the Fourth Proportional to 109,050.68, 163,587.75 and 45,877.24

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Solution

The fourth proportional to 109,050.68, 163,587.75 and 45,877.24 is: 68,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,050.68 : 163,587.75 = 45,877.24 : x
  2. Step 2: Convert to fraction form
    109,050.68/163,587.75 = 45,877.24/x
  3. Step 3: Cross multiply
    109,050.68x = 163,587.75 × 45,877.24
  4. Step 4: Simplify right side
    109,050.68x = 7,504,953,838.13
  5. Step 5: Solve for x
    x = 7,504,953,838.13/109,050.68
  6. Step 6: Final answer
    x = 68,820.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.