Home / 59,531.31-89,299.71-20,088.78

Finding the Fourth Proportional to 59,531.31, 89,299.71 and 20,088.78

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Solution

The fourth proportional to 59,531.31, 89,299.71 and 20,088.78 is: 30,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,531.31 : 89,299.71 = 20,088.78 : x
  2. Step 2: Convert to fraction form
    59,531.31/89,299.71 = 20,088.78/x
  3. Step 3: Cross multiply
    59,531.31x = 89,299.71 × 20,088.78
  4. Step 4: Simplify right side
    59,531.31x = 1,793,922,228.25
  5. Step 5: Solve for x
    x = 1,793,922,228.25/59,531.31
  6. Step 6: Final answer
    x = 30,134.10

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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.