Home / 98,634.18-136,107.06-55,611.34

Finding the Fourth Proportional to 98,634.18, 136,107.06 and 55,611.34

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Solution

The fourth proportional to 98,634.18, 136,107.06 and 55,611.34 is: 76,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,634.18 : 136,107.06 = 55,611.34 : x
  2. Step 2: Convert to fraction form
    98,634.18/136,107.06 = 55,611.34/x
  3. Step 3: Cross multiply
    98,634.18x = 136,107.06 × 55,611.34
  4. Step 4: Simplify right side
    98,634.18x = 7,569,095,990.06
  5. Step 5: Solve for x
    x = 7,569,095,990.06/98,634.18
  6. Step 6: Final answer
    x = 76,739.08

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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.