Home / 98,583.39-136,045.16-53,261.36

Finding the Fourth Proportional to 98,583.39, 136,045.16 and 53,261.36

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Solution

The fourth proportional to 98,583.39, 136,045.16 and 53,261.36 is: 73,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583.39 : 136,045.16 = 53,261.36 : x
  2. Step 2: Convert to fraction form
    98,583.39/136,045.16 = 53,261.36/x
  3. Step 3: Cross multiply
    98,583.39x = 136,045.16 × 53,261.36
  4. Step 4: Simplify right side
    98,583.39x = 7,245,949,296.49
  5. Step 5: Solve for x
    x = 7,245,949,296.49/98,583.39
  6. Step 6: Final answer
    x = 73,500.71

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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.