Home / 83,099.22-124,759.53-70,698.93

Finding the Fourth Proportional to 83,099.22, 124,759.53 and 70,698.93

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Solution

The fourth proportional to 83,099.22, 124,759.53 and 70,698.93 is: 106,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,099.22 : 124,759.53 = 70,698.93 : x
  2. Step 2: Convert to fraction form
    83,099.22/124,759.53 = 70,698.93/x
  3. Step 3: Cross multiply
    83,099.22x = 124,759.53 × 70,698.93
  4. Step 4: Simplify right side
    83,099.22x = 8,820,365,278.30
  5. Step 5: Solve for x
    x = 8,820,365,278.30/83,099.22
  6. Step 6: Final answer
    x = 106,142.58

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1.5x scale

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.