Home / 69,867.36-96,416.40-38,036.16

Finding the Fourth Proportional to 69,867.36, 96,416.40 and 38,036.16

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Solution

The fourth proportional to 69,867.36, 96,416.40 and 38,036.16 is: 52,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867.36 : 96,416.40 = 38,036.16 : x
  2. Step 2: Convert to fraction form
    69,867.36/96,416.40 = 38,036.16/x
  3. Step 3: Cross multiply
    69,867.36x = 96,416.40 × 38,036.16
  4. Step 4: Simplify right side
    69,867.36x = 3,667,309,617.02
  5. Step 5: Solve for x
    x = 3,667,309,617.02/69,867.36
  6. Step 6: Final answer
    x = 52,489.60

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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.