Home / 75,696.86-104,438.03-45,488.93

Finding the Fourth Proportional to 75,696.86, 104,438.03 and 45,488.93

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Solution

The fourth proportional to 75,696.86, 104,438.03 and 45,488.93 is: 62,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,696.86 : 104,438.03 = 45,488.93 : x
  2. Step 2: Convert to fraction form
    75,696.86/104,438.03 = 45,488.93/x
  3. Step 3: Cross multiply
    75,696.86x = 104,438.03 × 45,488.93
  4. Step 4: Simplify right side
    75,696.86x = 4,750,773,486.37
  5. Step 5: Solve for x
    x = 4,750,773,486.37/75,696.86
  6. Step 6: Final answer
    x = 62,760.51

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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.