Home / 98,611.04-136,083.17-53,289

Finding the Fourth Proportional to 98,611.04, 136,083.17 and 53,289

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Solution

The fourth proportional to 98,611.04, 136,083.17 and 53,289 is: 73,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,611.04 : 136,083.17 = 53,289 : x
  2. Step 2: Convert to fraction form
    98,611.04/136,083.17 = 53,289/x
  3. Step 3: Cross multiply
    98,611.04x = 136,083.17 × 53,289
  4. Step 4: Simplify right side
    98,611.04x = 7,251,736,046.13
  5. Step 5: Solve for x
    x = 7,251,736,046.13/98,611.04
  6. Step 6: Final answer
    x = 73,538.78

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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.