Home / 63,130.44-87,083.28-40,461.40

Finding the Fourth Proportional to 63,130.44, 87,083.28 and 40,461.40

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Solution

The fourth proportional to 63,130.44, 87,083.28 and 40,461.40 is: 55,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130.44 : 87,083.28 = 40,461.40 : x
  2. Step 2: Convert to fraction form
    63,130.44/87,083.28 = 40,461.40/x
  3. Step 3: Cross multiply
    63,130.44x = 87,083.28 × 40,461.40
  4. Step 4: Simplify right side
    63,130.44x = 3,523,511,425.39
  5. Step 5: Solve for x
    x = 3,523,511,425.39/63,130.44
  6. Step 6: Final answer
    x = 55,813.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.