Home / 89,246.34-133,934.22-71,925.30

Finding the Fourth Proportional to 89,246.34, 133,934.22 and 71,925.30

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Solution

The fourth proportional to 89,246.34, 133,934.22 and 71,925.30 is: 107,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,246.34 : 133,934.22 = 71,925.30 : x
  2. Step 2: Convert to fraction form
    89,246.34/133,934.22 = 71,925.30/x
  3. Step 3: Cross multiply
    89,246.34x = 133,934.22 × 71,925.30
  4. Step 4: Simplify right side
    89,246.34x = 9,633,258,953.77
  5. Step 5: Solve for x
    x = 9,633,258,953.77/89,246.34
  6. Step 6: Final answer
    x = 107,940.10

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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.