Home / 111,026.08-153,217.20-60,724

Finding the Fourth Proportional to 111,026.08, 153,217.20 and 60,724

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Solution

The fourth proportional to 111,026.08, 153,217.20 and 60,724 is: 83,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,026.08 : 153,217.20 = 60,724 : x
  2. Step 2: Convert to fraction form
    111,026.08/153,217.20 = 60,724/x
  3. Step 3: Cross multiply
    111,026.08x = 153,217.20 × 60,724
  4. Step 4: Simplify right side
    111,026.08x = 9,303,961,252.80
  5. Step 5: Solve for x
    x = 9,303,961,252.80/111,026.08
  6. Step 6: Final answer
    x = 83,799.78

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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.