Home / 98,055.36-147,031.20-35,720.64

Finding the Fourth Proportional to 98,055.36, 147,031.20 and 35,720.64

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Solution

The fourth proportional to 98,055.36, 147,031.20 and 35,720.64 is: 53,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055.36 : 147,031.20 = 35,720.64 : x
  2. Step 2: Convert to fraction form
    98,055.36/147,031.20 = 35,720.64/x
  3. Step 3: Cross multiply
    98,055.36x = 147,031.20 × 35,720.64
  4. Step 4: Simplify right side
    98,055.36x = 5,252,048,563.97
  5. Step 5: Solve for x
    x = 5,252,048,563.97/98,055.36
  6. Step 6: Final answer
    x = 53,562.08

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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.