Home / 98,772.35-136,304.80-53,449.34

Finding the Fourth Proportional to 98,772.35, 136,304.80 and 53,449.34

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Solution

The fourth proportional to 98,772.35, 136,304.80 and 53,449.34 is: 73,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772.35 : 136,304.80 = 53,449.34 : x
  2. Step 2: Convert to fraction form
    98,772.35/136,304.80 = 53,449.34/x
  3. Step 3: Cross multiply
    98,772.35x = 136,304.80 × 53,449.34
  4. Step 4: Simplify right side
    98,772.35x = 7,285,400,783.68
  5. Step 5: Solve for x
    x = 7,285,400,783.68/98,772.35
  6. Step 6: Final answer
    x = 73,759.52

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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.