Home / 59,711.84-89,431.60-28,569.12

Finding the Fourth Proportional to 59,711.84, 89,431.60 and 28,569.12

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Solution

The fourth proportional to 59,711.84, 89,431.60 and 28,569.12 is: 42,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,711.84 : 89,431.60 = 28,569.12 : x
  2. Step 2: Convert to fraction form
    59,711.84/89,431.60 = 28,569.12/x
  3. Step 3: Cross multiply
    59,711.84x = 89,431.60 × 28,569.12
  4. Step 4: Simplify right side
    59,711.84x = 2,554,982,112.19
  5. Step 5: Solve for x
    x = 2,554,982,112.19/59,711.84
  6. Step 6: Final answer
    x = 42,788.53

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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.