Home / 44,145.90-66,196.17-12,977.10

Finding the Fourth Proportional to 44,145.90, 66,196.17 and 12,977.10

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Solution

The fourth proportional to 44,145.90, 66,196.17 and 12,977.10 is: 19,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,145.90 : 66,196.17 = 12,977.10 : x
  2. Step 2: Convert to fraction form
    44,145.90/66,196.17 = 12,977.10/x
  3. Step 3: Cross multiply
    44,145.90x = 66,196.17 × 12,977.10
  4. Step 4: Simplify right side
    44,145.90x = 859,034,317.71
  5. Step 5: Solve for x
    x = 859,034,317.71/44,145.90
  6. Step 6: Final answer
    x = 19,458.98

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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.