Home / 45,058.28-67,583.10-13,885.16

Finding the Fourth Proportional to 45,058.28, 67,583.10 and 13,885.16

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Solution

The fourth proportional to 45,058.28, 67,583.10 and 13,885.16 is: 20,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,058.28 : 67,583.10 = 13,885.16 : x
  2. Step 2: Convert to fraction form
    45,058.28/67,583.10 = 13,885.16/x
  3. Step 3: Cross multiply
    45,058.28x = 67,583.10 × 13,885.16
  4. Step 4: Simplify right side
    45,058.28x = 938,402,156.80
  5. Step 5: Solve for x
    x = 938,402,156.80/45,058.28
  6. Step 6: Final answer
    x = 20,826.41

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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.