Home / 75,270.07-103,874.12-41,276.40

Finding the Fourth Proportional to 75,270.07, 103,874.12 and 41,276.40

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Solution

The fourth proportional to 75,270.07, 103,874.12 and 41,276.40 is: 56,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.07 : 103,874.12 = 41,276.40 : x
  2. Step 2: Convert to fraction form
    75,270.07/103,874.12 = 41,276.40/x
  3. Step 3: Cross multiply
    75,270.07x = 103,874.12 × 41,276.40
  4. Step 4: Simplify right side
    75,270.07x = 4,287,549,829.96
  5. Step 5: Solve for x
    x = 4,287,549,829.96/75,270.07
  6. Step 6: Final answer
    x = 56,962.21

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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.