Home / 75,054.34-103,587.69-43,217.38

Finding the Fourth Proportional to 75,054.34, 103,587.69 and 43,217.38

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Solution

The fourth proportional to 75,054.34, 103,587.69 and 43,217.38 is: 59,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,054.34 : 103,587.69 = 43,217.38 : x
  2. Step 2: Convert to fraction form
    75,054.34/103,587.69 = 43,217.38/x
  3. Step 3: Cross multiply
    75,054.34x = 103,587.69 × 43,217.38
  4. Step 4: Simplify right side
    75,054.34x = 4,476,788,562.05
  5. Step 5: Solve for x
    x = 4,476,788,562.05/75,054.34
  6. Step 6: Final answer
    x = 59,647.30

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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.