Home / 99,003.35-136,574.75-70,725.44

Finding the Fourth Proportional to 99,003.35, 136,574.75 and 70,725.44

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Solution

The fourth proportional to 99,003.35, 136,574.75 and 70,725.44 is: 97,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,003.35 : 136,574.75 = 70,725.44 : x
  2. Step 2: Convert to fraction form
    99,003.35/136,574.75 = 70,725.44/x
  3. Step 3: Cross multiply
    99,003.35x = 136,574.75 × 70,725.44
  4. Step 4: Simplify right side
    99,003.35x = 9,659,308,250.14
  5. Step 5: Solve for x
    x = 9,659,308,250.14/99,003.35
  6. Step 6: Final answer
    x = 97,565.47

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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.