Home / 136,738.02-205,081.04-57,907.58

Finding the Fourth Proportional to 136,738.02, 205,081.04 and 57,907.58

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Solution

The fourth proportional to 136,738.02, 205,081.04 and 57,907.58 is: 86,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,738.02 : 205,081.04 = 57,907.58 : x
  2. Step 2: Convert to fraction form
    136,738.02/205,081.04 = 57,907.58/x
  3. Step 3: Cross multiply
    136,738.02x = 205,081.04 × 57,907.58
  4. Step 4: Simplify right side
    136,738.02x = 11,875,746,730.28
  5. Step 5: Solve for x
    x = 11,875,746,730.28/136,738.02
  6. Step 6: Final answer
    x = 86,850.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.