Home / 110,117.33-151,972.58-61,727.48

Finding the Fourth Proportional to 110,117.33, 151,972.58 and 61,727.48

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Solution

The fourth proportional to 110,117.33, 151,972.58 and 61,727.48 is: 85,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,117.33 : 151,972.58 = 61,727.48 : x
  2. Step 2: Convert to fraction form
    110,117.33/151,972.58 = 61,727.48/x
  3. Step 3: Cross multiply
    110,117.33x = 151,972.58 × 61,727.48
  4. Step 4: Simplify right side
    110,117.33x = 9,380,883,916.10
  5. Step 5: Solve for x
    x = 9,380,883,916.10/110,117.33
  6. Step 6: Final answer
    x = 85,189.90

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1.5x scale

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.