Home / 98,724.02-136,242.37-54,012.02

Finding the Fourth Proportional to 98,724.02, 136,242.37 and 54,012.02

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Solution

The fourth proportional to 98,724.02, 136,242.37 and 54,012.02 is: 74,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,724.02 : 136,242.37 = 54,012.02 : x
  2. Step 2: Convert to fraction form
    98,724.02/136,242.37 = 54,012.02/x
  3. Step 3: Cross multiply
    98,724.02x = 136,242.37 × 54,012.02
  4. Step 4: Simplify right side
    98,724.02x = 7,358,725,613.29
  5. Step 5: Solve for x
    x = 7,358,725,613.29/98,724.02
  6. Step 6: Final answer
    x = 74,538.35

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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.