Home / 76,217.68-105,161.40-43,962.16

Finding the Fourth Proportional to 76,217.68, 105,161.40 and 43,962.16

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Solution

The fourth proportional to 76,217.68, 105,161.40 and 43,962.16 is: 60,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,217.68 : 105,161.40 = 43,962.16 : x
  2. Step 2: Convert to fraction form
    76,217.68/105,161.40 = 43,962.16/x
  3. Step 3: Cross multiply
    76,217.68x = 105,161.40 × 43,962.16
  4. Step 4: Simplify right side
    76,217.68x = 4,623,122,292.62
  5. Step 5: Solve for x
    x = 4,623,122,292.62/76,217.68
  6. Step 6: Final answer
    x = 60,656.82

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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.