Home / 75,282.80-103,893.18-41,292.72

Finding the Fourth Proportional to 75,282.80, 103,893.18 and 41,292.72

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Solution

The fourth proportional to 75,282.80, 103,893.18 and 41,292.72 is: 56,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282.80 : 103,893.18 = 41,292.72 : x
  2. Step 2: Convert to fraction form
    75,282.80/103,893.18 = 41,292.72/x
  3. Step 3: Cross multiply
    75,282.80x = 103,893.18 × 41,292.72
  4. Step 4: Simplify right side
    75,282.80x = 4,290,032,333.17
  5. Step 5: Solve for x
    x = 4,290,032,333.17/75,282.80
  6. Step 6: Final answer
    x = 56,985.55

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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.