Home / 86,425.25-119,203.85-66,053.34

Finding the Fourth Proportional to 86,425.25, 119,203.85 and 66,053.34

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Solution

The fourth proportional to 86,425.25, 119,203.85 and 66,053.34 is: 91,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,425.25 : 119,203.85 = 66,053.34 : x
  2. Step 2: Convert to fraction form
    86,425.25/119,203.85 = 66,053.34/x
  3. Step 3: Cross multiply
    86,425.25x = 119,203.85 × 66,053.34
  4. Step 4: Simplify right side
    86,425.25x = 7,873,812,598.49
  5. Step 5: Solve for x
    x = 7,873,812,598.49/86,425.25
  6. Step 6: Final answer
    x = 91,105.47

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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.