Home / 66,099.34-99,148.56-26,628.55

Finding the Fourth Proportional to 66,099.34, 99,148.56 and 26,628.55

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Solution

The fourth proportional to 66,099.34, 99,148.56 and 26,628.55 is: 39,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,099.34 : 99,148.56 = 26,628.55 : x
  2. Step 2: Convert to fraction form
    66,099.34/99,148.56 = 26,628.55/x
  3. Step 3: Cross multiply
    66,099.34x = 99,148.56 × 26,628.55
  4. Step 4: Simplify right side
    66,099.34x = 2,640,182,039.66
  5. Step 5: Solve for x
    x = 2,640,182,039.66/66,099.34
  6. Step 6: Final answer
    x = 39,942.64

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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.