Home / 98,833.50-136,388.59-53,511.12

Finding the Fourth Proportional to 98,833.50, 136,388.59 and 53,511.12

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Solution

The fourth proportional to 98,833.50, 136,388.59 and 53,511.12 is: 73,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,833.50 : 136,388.59 = 53,511.12 : x
  2. Step 2: Convert to fraction form
    98,833.50/136,388.59 = 53,511.12/x
  3. Step 3: Cross multiply
    98,833.50x = 136,388.59 × 53,511.12
  4. Step 4: Simplify right side
    98,833.50x = 7,298,306,206.12
  5. Step 5: Solve for x
    x = 7,298,306,206.12/98,833.50
  6. Step 6: Final answer
    x = 73,844.46

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1.5x scale

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.