Home / 98,619.64-136,095.12-53,297.47

Finding the Fourth Proportional to 98,619.64, 136,095.12 and 53,297.47

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Solution

The fourth proportional to 98,619.64, 136,095.12 and 53,297.47 is: 73,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,619.64 : 136,095.12 = 53,297.47 : x
  2. Step 2: Convert to fraction form
    98,619.64/136,095.12 = 53,297.47/x
  3. Step 3: Cross multiply
    98,619.64x = 136,095.12 × 53,297.47
  4. Step 4: Simplify right side
    98,619.64x = 7,253,525,575.35
  5. Step 5: Solve for x
    x = 7,253,525,575.35/98,619.64
  6. Step 6: Final answer
    x = 73,550.52

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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.