Home / 75,290.40-103,901.88-41,302.20

Finding the Fourth Proportional to 75,290.40, 103,901.88 and 41,302.20

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Solution

The fourth proportional to 75,290.40, 103,901.88 and 41,302.20 is: 56,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,290.40 : 103,901.88 = 41,302.20 : x
  2. Step 2: Convert to fraction form
    75,290.40/103,901.88 = 41,302.20/x
  3. Step 3: Cross multiply
    75,290.40x = 103,901.88 × 41,302.20
  4. Step 4: Simplify right side
    75,290.40x = 4,291,376,228.14
  5. Step 5: Solve for x
    x = 4,291,376,228.14/75,290.40
  6. Step 6: Final answer
    x = 56,997.65

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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.