Home / 75,276.42-103,875.81-41,279.46

Finding the Fourth Proportional to 75,276.42, 103,875.81 and 41,279.46

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Solution

The fourth proportional to 75,276.42, 103,875.81 and 41,279.46 is: 56,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.42 : 103,875.81 = 41,279.46 : x
  2. Step 2: Convert to fraction form
    75,276.42/103,875.81 = 41,279.46/x
  3. Step 3: Cross multiply
    75,276.42x = 103,875.81 × 41,279.46
  4. Step 4: Simplify right side
    75,276.42x = 4,287,937,343.86
  5. Step 5: Solve for x
    x = 4,287,937,343.86/75,276.42
  6. Step 6: Final answer
    x = 56,962.56

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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.