Home / 75,804.48-113,706.40-59,178.42

Finding the Fourth Proportional to 75,804.48, 113,706.40 and 59,178.42

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Solution

The fourth proportional to 75,804.48, 113,706.40 and 59,178.42 is: 88,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,804.48 : 113,706.40 = 59,178.42 : x
  2. Step 2: Convert to fraction form
    75,804.48/113,706.40 = 59,178.42/x
  3. Step 3: Cross multiply
    75,804.48x = 113,706.40 × 59,178.42
  4. Step 4: Simplify right side
    75,804.48x = 6,728,965,095.89
  5. Step 5: Solve for x
    x = 6,728,965,095.89/75,804.48
  6. Step 6: Final answer
    x = 88,767.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.