Home / 110,986.53-153,161.19-59,999.28

Finding the Fourth Proportional to 110,986.53, 153,161.19 and 59,999.28

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Solution

The fourth proportional to 110,986.53, 153,161.19 and 59,999.28 is: 82,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,986.53 : 153,161.19 = 59,999.28 : x
  2. Step 2: Convert to fraction form
    110,986.53/153,161.19 = 59,999.28/x
  3. Step 3: Cross multiply
    110,986.53x = 153,161.19 × 59,999.28
  4. Step 4: Simplify right side
    110,986.53x = 9,189,561,123.94
  5. Step 5: Solve for x
    x = 9,189,561,123.94/110,986.53
  6. Step 6: Final answer
    x = 82,798.89

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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.