Home / 111,020.08-153,208.92-60,718

Finding the Fourth Proportional to 111,020.08, 153,208.92 and 60,718

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Solution

The fourth proportional to 111,020.08, 153,208.92 and 60,718 is: 83,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,020.08 : 153,208.92 = 60,718 : x
  2. Step 2: Convert to fraction form
    111,020.08/153,208.92 = 60,718/x
  3. Step 3: Cross multiply
    111,020.08x = 153,208.92 × 60,718
  4. Step 4: Simplify right side
    111,020.08x = 9,302,539,204.56
  5. Step 5: Solve for x
    x = 9,302,539,204.56/111,020.08
  6. Step 6: Final answer
    x = 83,791.50

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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.