Home / 98,982.29-136,563.44-55,957.62

Finding the Fourth Proportional to 98,982.29, 136,563.44 and 55,957.62

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Solution

The fourth proportional to 98,982.29, 136,563.44 and 55,957.62 is: 77,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.29 : 136,563.44 = 55,957.62 : x
  2. Step 2: Convert to fraction form
    98,982.29/136,563.44 = 55,957.62/x
  3. Step 3: Cross multiply
    98,982.29x = 136,563.44 × 55,957.62
  4. Step 4: Simplify right side
    98,982.29x = 7,641,765,017.71
  5. Step 5: Solve for x
    x = 7,641,765,017.71/98,982.29
  6. Step 6: Final answer
    x = 77,203.36

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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.