Home / 98,866.52-136,435.02-53,543.45

Finding the Fourth Proportional to 98,866.52, 136,435.02 and 53,543.45

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Solution

The fourth proportional to 98,866.52, 136,435.02 and 53,543.45 is: 73,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,866.52 : 136,435.02 = 53,543.45 : x
  2. Step 2: Convert to fraction form
    98,866.52/136,435.02 = 53,543.45/x
  3. Step 3: Cross multiply
    98,866.52x = 136,435.02 × 53,543.45
  4. Step 4: Simplify right side
    98,866.52x = 7,305,200,989.44
  5. Step 5: Solve for x
    x = 7,305,200,989.44/98,866.52
  6. Step 6: Final answer
    x = 73,889.54

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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.