Home / 326,022.04-489,029.10-89,364.52

Finding the Fourth Proportional to 326,022.04, 489,029.10 and 89,364.52

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Solution

The fourth proportional to 326,022.04, 489,029.10 and 89,364.52 is: 134,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,022.04 : 489,029.10 = 89,364.52 : x
  2. Step 2: Convert to fraction form
    326,022.04/489,029.10 = 89,364.52/x
  3. Step 3: Cross multiply
    326,022.04x = 489,029.10 × 89,364.52
  4. Step 4: Simplify right side
    326,022.04x = 43,701,850,787.53
  5. Step 5: Solve for x
    x = 43,701,850,787.53/326,022.04
  6. Step 6: Final answer
    x = 134,045.69

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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.