Home / 98,239.02-135,569.86-55,797.44

Finding the Fourth Proportional to 98,239.02, 135,569.86 and 55,797.44

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Solution

The fourth proportional to 98,239.02, 135,569.86 and 55,797.44 is: 77,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,239.02 : 135,569.86 = 55,797.44 : x
  2. Step 2: Convert to fraction form
    98,239.02/135,569.86 = 55,797.44/x
  3. Step 3: Cross multiply
    98,239.02x = 135,569.86 × 55,797.44
  4. Step 4: Simplify right side
    98,239.02x = 7,564,451,129.16
  5. Step 5: Solve for x
    x = 7,564,451,129.16/98,239.02
  6. Step 6: Final answer
    x = 77,000.47

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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.