Home / 98,419.28-147,541.16-36,075.20

Finding the Fourth Proportional to 98,419.28, 147,541.16 and 36,075.20

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Solution

The fourth proportional to 98,419.28, 147,541.16 and 36,075.20 is: 54,080.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,419.28 : 147,541.16 = 36,075.20 : x
  2. Step 2: Convert to fraction form
    98,419.28/147,541.16 = 36,075.20/x
  3. Step 3: Cross multiply
    98,419.28x = 147,541.16 × 36,075.20
  4. Step 4: Simplify right side
    98,419.28x = 5,322,576,855.23
  5. Step 5: Solve for x
    x = 5,322,576,855.23/98,419.28
  6. Step 6: Final answer
    x = 54,080.63

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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.