Home / 109,475.28-151,075.86-59,174.28

Finding the Fourth Proportional to 109,475.28, 151,075.86 and 59,174.28

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Solution

The fourth proportional to 109,475.28, 151,075.86 and 59,174.28 is: 81,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,475.28 : 151,075.86 = 59,174.28 : x
  2. Step 2: Convert to fraction form
    109,475.28/151,075.86 = 59,174.28/x
  3. Step 3: Cross multiply
    109,475.28x = 151,075.86 × 59,174.28
  4. Step 4: Simplify right side
    109,475.28x = 8,939,805,240.88
  5. Step 5: Solve for x
    x = 8,939,805,240.88/109,475.28
  6. Step 6: Final answer
    x = 81,660.49

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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.