Home / 98,490.26-135,900.73-56,049.50

Finding the Fourth Proportional to 98,490.26, 135,900.73 and 56,049.50

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Solution

The fourth proportional to 98,490.26, 135,900.73 and 56,049.50 is: 77,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,490.26 : 135,900.73 = 56,049.50 : x
  2. Step 2: Convert to fraction form
    98,490.26/135,900.73 = 56,049.50/x
  3. Step 3: Cross multiply
    98,490.26x = 135,900.73 × 56,049.50
  4. Step 4: Simplify right side
    98,490.26x = 7,617,167,966.14
  5. Step 5: Solve for x
    x = 7,617,167,966.14/98,490.26
  6. Step 6: Final answer
    x = 77,339.30

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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.