Home / 98,649.36-136,105.10-60,369.00

Finding the Fourth Proportional to 98,649.36, 136,105.10 and 60,369.00

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Solution

The fourth proportional to 98,649.36, 136,105.10 and 60,369.00 is: 83,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,649.36 : 136,105.10 = 60,369.00 : x
  2. Step 2: Convert to fraction form
    98,649.36/136,105.10 = 60,369.00/x
  3. Step 3: Cross multiply
    98,649.36x = 136,105.10 × 60,369.00
  4. Step 4: Simplify right side
    98,649.36x = 8,216,528,972.44
  5. Step 5: Solve for x
    x = 8,216,528,972.44/98,649.36
  6. Step 6: Final answer
    x = 83,290.24

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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.