Home / 59,828.90-89,726.06-20,385.14

Finding the Fourth Proportional to 59,828.90, 89,726.06 and 20,385.14

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Solution

The fourth proportional to 59,828.90, 89,726.06 and 20,385.14 is: 30,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,828.90 : 89,726.06 = 20,385.14 : x
  2. Step 2: Convert to fraction form
    59,828.90/89,726.06 = 20,385.14/x
  3. Step 3: Cross multiply
    59,828.90x = 89,726.06 × 20,385.14
  4. Step 4: Simplify right side
    59,828.90x = 1,829,078,294.75
  5. Step 5: Solve for x
    x = 1,829,078,294.75/59,828.90
  6. Step 6: Final answer
    x = 30,571.82

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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.