Home / 75,133.92-103,672.62-44,931.72

Finding the Fourth Proportional to 75,133.92, 103,672.62 and 44,931.72

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Solution

The fourth proportional to 75,133.92, 103,672.62 and 44,931.72 is: 61,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.92 : 103,672.62 = 44,931.72 : x
  2. Step 2: Convert to fraction form
    75,133.92/103,672.62 = 44,931.72/x
  3. Step 3: Cross multiply
    75,133.92x = 103,672.62 × 44,931.72
  4. Step 4: Simplify right side
    75,133.92x = 4,658,189,133.51
  5. Step 5: Solve for x
    x = 4,658,189,133.51/75,133.92
  6. Step 6: Final answer
    x = 61,998.48

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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.