Home / 111,261.40-153,538.14-60,959.32

Finding the Fourth Proportional to 111,261.40, 153,538.14 and 60,959.32

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Solution

The fourth proportional to 111,261.40, 153,538.14 and 60,959.32 is: 84,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,261.40 : 153,538.14 = 60,959.32 : x
  2. Step 2: Convert to fraction form
    111,261.40/153,538.14 = 60,959.32/x
  3. Step 3: Cross multiply
    111,261.40x = 153,538.14 × 60,959.32
  4. Step 4: Simplify right side
    111,261.40x = 9,359,580,608.46
  5. Step 5: Solve for x
    x = 9,359,580,608.46/111,261.40
  6. Step 6: Final answer
    x = 84,122.44

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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.