Home / 98,549.49-135,998.43-56,108.03

Finding the Fourth Proportional to 98,549.49, 135,998.43 and 56,108.03

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Solution

The fourth proportional to 98,549.49, 135,998.43 and 56,108.03 is: 77,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,549.49 : 135,998.43 = 56,108.03 : x
  2. Step 2: Convert to fraction form
    98,549.49/135,998.43 = 56,108.03/x
  3. Step 3: Cross multiply
    98,549.49x = 135,998.43 × 56,108.03
  4. Step 4: Simplify right side
    98,549.49x = 7,630,603,310.40
  5. Step 5: Solve for x
    x = 7,630,603,310.40/98,549.49
  6. Step 6: Final answer
    x = 77,429.15

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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.