Home / 44,300.90-66,428.40-13,132.10

Finding the Fourth Proportional to 44,300.90, 66,428.40 and 13,132.10

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Solution

The fourth proportional to 44,300.90, 66,428.40 and 13,132.10 is: 19,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,300.90 : 66,428.40 = 13,132.10 : x
  2. Step 2: Convert to fraction form
    44,300.90/66,428.40 = 13,132.10/x
  3. Step 3: Cross multiply
    44,300.90x = 66,428.40 × 13,132.10
  4. Step 4: Simplify right side
    44,300.90x = 872,344,391.64
  5. Step 5: Solve for x
    x = 872,344,391.64/44,300.90
  6. Step 6: Final answer
    x = 19,691.35

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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.