Home / 98,503.02-135,935.82-56,065.50

Finding the Fourth Proportional to 98,503.02, 135,935.82 and 56,065.50

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Solution

The fourth proportional to 98,503.02, 135,935.82 and 56,065.50 is: 77,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,503.02 : 135,935.82 = 56,065.50 : x
  2. Step 2: Convert to fraction form
    98,503.02/135,935.82 = 56,065.50/x
  3. Step 3: Cross multiply
    98,503.02x = 135,935.82 × 56,065.50
  4. Step 4: Simplify right side
    98,503.02x = 7,621,309,716.21
  5. Step 5: Solve for x
    x = 7,621,309,716.21/98,503.02
  6. Step 6: Final answer
    x = 77,371.33

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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.