Home / 45,325.98-67,983.57-12,048.48

Finding the Fourth Proportional to 45,325.98, 67,983.57 and 12,048.48

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Solution

The fourth proportional to 45,325.98, 67,983.57 and 12,048.48 is: 18,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,325.98 : 67,983.57 = 12,048.48 : x
  2. Step 2: Convert to fraction form
    45,325.98/67,983.57 = 12,048.48/x
  3. Step 3: Cross multiply
    45,325.98x = 67,983.57 × 12,048.48
  4. Step 4: Simplify right side
    45,325.98x = 819,098,683.47
  5. Step 5: Solve for x
    x = 819,098,683.47/45,325.98
  6. Step 6: Final answer
    x = 18,071.28

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1.5x scale

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.