Home / 98,977.40-136,588.94-53,655.64

Finding the Fourth Proportional to 98,977.40, 136,588.94 and 53,655.64

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Solution

The fourth proportional to 98,977.40, 136,588.94 and 53,655.64 is: 74,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,977.40 : 136,588.94 = 53,655.64 : x
  2. Step 2: Convert to fraction form
    98,977.40/136,588.94 = 53,655.64/x
  3. Step 3: Cross multiply
    98,977.40x = 136,588.94 × 53,655.64
  4. Step 4: Simplify right side
    98,977.40x = 7,328,766,992.62
  5. Step 5: Solve for x
    x = 7,328,766,992.62/98,977.40
  6. Step 6: Final answer
    x = 74,044.85

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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.