Home / 75,087.47-103,658.21-43,250.22

Finding the Fourth Proportional to 75,087.47, 103,658.21 and 43,250.22

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Solution

The fourth proportional to 75,087.47, 103,658.21 and 43,250.22 is: 59,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.47 : 103,658.21 = 43,250.22 : x
  2. Step 2: Convert to fraction form
    75,087.47/103,658.21 = 43,250.22/x
  3. Step 3: Cross multiply
    75,087.47x = 103,658.21 × 43,250.22
  4. Step 4: Simplify right side
    75,087.47x = 4,483,240,171.06
  5. Step 5: Solve for x
    x = 4,483,240,171.06/75,087.47
  6. Step 6: Final answer
    x = 59,706.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.