Home / 111,671.48-154,106.13-60,683.24

Finding the Fourth Proportional to 111,671.48, 154,106.13 and 60,683.24

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Solution

The fourth proportional to 111,671.48, 154,106.13 and 60,683.24 is: 83,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,671.48 : 154,106.13 = 60,683.24 : x
  2. Step 2: Convert to fraction form
    111,671.48/154,106.13 = 60,683.24/x
  3. Step 3: Cross multiply
    111,671.48x = 154,106.13 × 60,683.24
  4. Step 4: Simplify right side
    111,671.48x = 9,351,659,799.75
  5. Step 5: Solve for x
    x = 9,351,659,799.75/111,671.48
  6. Step 6: Final answer
    x = 83,742.60

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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.