Home / 98,110.08-135,384-55,675.68

Finding the Fourth Proportional to 98,110.08, 135,384 and 55,675.68

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Solution

The fourth proportional to 98,110.08, 135,384 and 55,675.68 is: 76,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,110.08 : 135,384 = 55,675.68 : x
  2. Step 2: Convert to fraction form
    98,110.08/135,384 = 55,675.68/x
  3. Step 3: Cross multiply
    98,110.08x = 135,384 × 55,675.68
  4. Step 4: Simplify right side
    98,110.08x = 7,537,596,261.12
  5. Step 5: Solve for x
    x = 7,537,596,261.12/98,110.08
  6. Step 6: Final answer
    x = 76,827.95

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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.