Home / 115,678.40-173,438.52-61,651.22

Finding the Fourth Proportional to 115,678.40, 173,438.52 and 61,651.22

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Solution

The fourth proportional to 115,678.40, 173,438.52 and 61,651.22 is: 92,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,678.40 : 173,438.52 = 61,651.22 : x
  2. Step 2: Convert to fraction form
    115,678.40/173,438.52 = 61,651.22/x
  3. Step 3: Cross multiply
    115,678.40x = 173,438.52 × 61,651.22
  4. Step 4: Simplify right side
    115,678.40x = 10,692,696,352.99
  5. Step 5: Solve for x
    x = 10,692,696,352.99/115,678.40
  6. Step 6: Final answer
    x = 92,434.68

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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.