Home / 110,971.28-153,140.34-60,670.28

Finding the Fourth Proportional to 110,971.28, 153,140.34 and 60,670.28

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Solution

The fourth proportional to 110,971.28, 153,140.34 and 60,670.28 is: 83,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,971.28 : 153,140.34 = 60,670.28 : x
  2. Step 2: Convert to fraction form
    110,971.28/153,140.34 = 60,670.28/x
  3. Step 3: Cross multiply
    110,971.28x = 153,140.34 × 60,670.28
  4. Step 4: Simplify right side
    110,971.28x = 9,291,067,307.10
  5. Step 5: Solve for x
    x = 9,291,067,307.10/110,971.28
  6. Step 6: Final answer
    x = 83,724.97

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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.