Home / 98,891.22-148,434.29-70,459.75

Finding the Fourth Proportional to 98,891.22, 148,434.29 and 70,459.75

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Solution

The fourth proportional to 98,891.22, 148,434.29 and 70,459.75 is: 105,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,891.22 : 148,434.29 = 70,459.75 : x
  2. Step 2: Convert to fraction form
    98,891.22/148,434.29 = 70,459.75/x
  3. Step 3: Cross multiply
    98,891.22x = 148,434.29 × 70,459.75
  4. Step 4: Simplify right side
    98,891.22x = 10,458,643,271.03
  5. Step 5: Solve for x
    x = 10,458,643,271.03/98,891.22
  6. Step 6: Final answer
    x = 105,759.07

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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.