Home / 98,737.36-136,256.88-54,025.36

Finding the Fourth Proportional to 98,737.36, 136,256.88 and 54,025.36

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Solution

The fourth proportional to 98,737.36, 136,256.88 and 54,025.36 is: 74,554.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,737.36 : 136,256.88 = 54,025.36 : x
  2. Step 2: Convert to fraction form
    98,737.36/136,256.88 = 54,025.36/x
  3. Step 3: Cross multiply
    98,737.36x = 136,256.88 × 54,025.36
  4. Step 4: Simplify right side
    98,737.36x = 7,361,326,994.48
  5. Step 5: Solve for x
    x = 7,361,326,994.48/98,737.36
  6. Step 6: Final answer
    x = 74,554.63

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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.