Home / 63,359.51-87,401.64-40,702.07

Finding the Fourth Proportional to 63,359.51, 87,401.64 and 40,702.07

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Solution

The fourth proportional to 63,359.51, 87,401.64 and 40,702.07 is: 56,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,359.51 : 87,401.64 = 40,702.07 : x
  2. Step 2: Convert to fraction form
    63,359.51/87,401.64 = 40,702.07/x
  3. Step 3: Cross multiply
    63,359.51x = 87,401.64 × 40,702.07
  4. Step 4: Simplify right side
    63,359.51x = 3,557,427,028.88
  5. Step 5: Solve for x
    x = 3,557,427,028.88/63,359.51
  6. Step 6: Final answer
    x = 56,146.69

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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.