Home / 107,443.68-161,001.36-45,080.16

Finding the Fourth Proportional to 107,443.68, 161,001.36 and 45,080.16

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Solution

The fourth proportional to 107,443.68, 161,001.36 and 45,080.16 is: 67,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,443.68 : 161,001.36 = 45,080.16 : x
  2. Step 2: Convert to fraction form
    107,443.68/161,001.36 = 45,080.16/x
  3. Step 3: Cross multiply
    107,443.68x = 161,001.36 × 45,080.16
  4. Step 4: Simplify right side
    107,443.68x = 7,257,967,069.02
  5. Step 5: Solve for x
    x = 7,257,967,069.02/107,443.68
  6. Step 6: Final answer
    x = 67,551.36

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1.5x scale

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.