Home / 72,990.07-109,475.69-23,075.24

Finding the Fourth Proportional to 72,990.07, 109,475.69 and 23,075.24

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Solution

The fourth proportional to 72,990.07, 109,475.69 and 23,075.24 is: 34,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,990.07 : 109,475.69 = 23,075.24 : x
  2. Step 2: Convert to fraction form
    72,990.07/109,475.69 = 23,075.24/x
  3. Step 3: Cross multiply
    72,990.07x = 109,475.69 × 23,075.24
  4. Step 4: Simplify right side
    72,990.07x = 2,526,177,158.16
  5. Step 5: Solve for x
    x = 2,526,177,158.16/72,990.07
  6. Step 6: Final answer
    x = 34,609.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.