Home / 66,200.01-91,357.79-35,987.36

Finding the Fourth Proportional to 66,200.01, 91,357.79 and 35,987.36

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Solution

The fourth proportional to 66,200.01, 91,357.79 and 35,987.36 is: 49,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.01 : 91,357.79 = 35,987.36 : x
  2. Step 2: Convert to fraction form
    66,200.01/91,357.79 = 35,987.36/x
  3. Step 3: Cross multiply
    66,200.01x = 91,357.79 × 35,987.36
  4. Step 4: Simplify right side
    66,200.01x = 3,287,725,040.81
  5. Step 5: Solve for x
    x = 3,287,725,040.81/66,200.01
  6. Step 6: Final answer
    x = 49,663.52

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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.