Home / 110,650.42-152,696.86-62,903.78

Finding the Fourth Proportional to 110,650.42, 152,696.86 and 62,903.78

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Solution

The fourth proportional to 110,650.42, 152,696.86 and 62,903.78 is: 86,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,650.42 : 152,696.86 = 62,903.78 : x
  2. Step 2: Convert to fraction form
    110,650.42/152,696.86 = 62,903.78/x
  3. Step 3: Cross multiply
    110,650.42x = 152,696.86 × 62,903.78
  4. Step 4: Simplify right side
    110,650.42x = 9,605,209,688.13
  5. Step 5: Solve for x
    x = 9,605,209,688.13/110,650.42
  6. Step 6: Final answer
    x = 86,806.81

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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.