Home / 75,117.72-103,663.67-41,125.63

Finding the Fourth Proportional to 75,117.72, 103,663.67 and 41,125.63

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Solution

The fourth proportional to 75,117.72, 103,663.67 and 41,125.63 is: 56,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.72 : 103,663.67 = 41,125.63 : x
  2. Step 2: Convert to fraction form
    75,117.72/103,663.67 = 41,125.63/x
  3. Step 3: Cross multiply
    75,117.72x = 103,663.67 × 41,125.63
  4. Step 4: Simplify right side
    75,117.72x = 4,263,233,736.86
  5. Step 5: Solve for x
    x = 4,263,233,736.86/75,117.72
  6. Step 6: Final answer
    x = 56,754.04

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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.