Home / 45,807.48-68,742-16,225.20

Finding the Fourth Proportional to 45,807.48, 68,742 and 16,225.20

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Solution

The fourth proportional to 45,807.48, 68,742 and 16,225.20 is: 24,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.48 : 68,742 = 16,225.20 : x
  2. Step 2: Convert to fraction form
    45,807.48/68,742 = 16,225.20/x
  3. Step 3: Cross multiply
    45,807.48x = 68,742 × 16,225.20
  4. Step 4: Simplify right side
    45,807.48x = 1,115,352,698.40
  5. Step 5: Solve for x
    x = 1,115,352,698.40/45,807.48
  6. Step 6: Final answer
    x = 24,348.70

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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.