Home / 98,008.99-135,250.63-54,989.28

Finding the Fourth Proportional to 98,008.99, 135,250.63 and 54,989.28

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Solution

The fourth proportional to 98,008.99, 135,250.63 and 54,989.28 is: 75,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,008.99 : 135,250.63 = 54,989.28 : x
  2. Step 2: Convert to fraction form
    98,008.99/135,250.63 = 54,989.28/x
  3. Step 3: Cross multiply
    98,008.99x = 135,250.63 × 54,989.28
  4. Step 4: Simplify right side
    98,008.99x = 7,437,334,625.77
  5. Step 5: Solve for x
    x = 7,437,334,625.77/98,008.99
  6. Step 6: Final answer
    x = 75,884.21

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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.