Home / 98,619.24-136,104.08-58,345.95

Finding the Fourth Proportional to 98,619.24, 136,104.08 and 58,345.95

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Solution

The fourth proportional to 98,619.24, 136,104.08 and 58,345.95 is: 80,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,619.24 : 136,104.08 = 58,345.95 : x
  2. Step 2: Convert to fraction form
    98,619.24/136,104.08 = 58,345.95/x
  3. Step 3: Cross multiply
    98,619.24x = 136,104.08 × 58,345.95
  4. Step 4: Simplify right side
    98,619.24x = 7,941,121,846.48
  5. Step 5: Solve for x
    x = 7,941,121,846.48/98,619.24
  6. Step 6: Final answer
    x = 80,523.05

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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.