Home / 89,458.19-134,068.21-47,329.28

Finding the Fourth Proportional to 89,458.19, 134,068.21 and 47,329.28

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Solution

The fourth proportional to 89,458.19, 134,068.21 and 47,329.28 is: 70,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,458.19 : 134,068.21 = 47,329.28 : x
  2. Step 2: Convert to fraction form
    89,458.19/134,068.21 = 47,329.28/x
  3. Step 3: Cross multiply
    89,458.19x = 134,068.21 × 47,329.28
  4. Step 4: Simplify right side
    89,458.19x = 6,345,351,850.19
  5. Step 5: Solve for x
    x = 6,345,351,850.19/89,458.19
  6. Step 6: Final answer
    x = 70,930.92

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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.