Home / 45,542.70-68,307.86-12,264.74

Finding the Fourth Proportional to 45,542.70, 68,307.86 and 12,264.74

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Solution

The fourth proportional to 45,542.70, 68,307.86 and 12,264.74 is: 18,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,542.70 : 68,307.86 = 12,264.74 : x
  2. Step 2: Convert to fraction form
    45,542.70/68,307.86 = 12,264.74/x
  3. Step 3: Cross multiply
    45,542.70x = 68,307.86 × 12,264.74
  4. Step 4: Simplify right side
    45,542.70x = 837,778,142.86
  5. Step 5: Solve for x
    x = 837,778,142.86/45,542.70
  6. Step 6: Final answer
    x = 18,395.44

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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.