Home / 111,632.15-154,051.75-60,644.48

Finding the Fourth Proportional to 111,632.15, 154,051.75 and 60,644.48

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Solution

The fourth proportional to 111,632.15, 154,051.75 and 60,644.48 is: 83,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,632.15 : 154,051.75 = 60,644.48 : x
  2. Step 2: Convert to fraction form
    111,632.15/154,051.75 = 60,644.48/x
  3. Step 3: Cross multiply
    111,632.15x = 154,051.75 × 60,644.48
  4. Step 4: Simplify right side
    111,632.15x = 9,342,387,349.97
  5. Step 5: Solve for x
    x = 9,342,387,349.97/111,632.15
  6. Step 6: Final answer
    x = 83,689.04

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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.