Home / 45,352.02-68,027.94-12,072.10

Finding the Fourth Proportional to 45,352.02, 68,027.94 and 12,072.10

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Solution

The fourth proportional to 45,352.02, 68,027.94 and 12,072.10 is: 18,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.02 : 68,027.94 = 12,072.10 : x
  2. Step 2: Convert to fraction form
    45,352.02/68,027.94 = 12,072.10/x
  3. Step 3: Cross multiply
    45,352.02x = 68,027.94 × 12,072.10
  4. Step 4: Simplify right side
    45,352.02x = 821,240,094.47
  5. Step 5: Solve for x
    x = 821,240,094.47/45,352.02
  6. Step 6: Final answer
    x = 18,108.13

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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.