Home / 98,844.66-136,415.40-56,409.57

Finding the Fourth Proportional to 98,844.66, 136,415.40 and 56,409.57

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Solution

The fourth proportional to 98,844.66, 136,415.40 and 56,409.57 is: 77,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,844.66 : 136,415.40 = 56,409.57 : x
  2. Step 2: Convert to fraction form
    98,844.66/136,415.40 = 56,409.57/x
  3. Step 3: Cross multiply
    98,844.66x = 136,415.40 × 56,409.57
  4. Step 4: Simplify right side
    98,844.66x = 7,695,134,055.38
  5. Step 5: Solve for x
    x = 7,695,134,055.38/98,844.66
  6. Step 6: Final answer
    x = 77,850.78

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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.