Home / 65,727.60-98,533.80-39,404.40

Finding the Fourth Proportional to 65,727.60, 98,533.80 and 39,404.40

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Solution

The fourth proportional to 65,727.60, 98,533.80 and 39,404.40 is: 59,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.60 : 98,533.80 = 39,404.40 : x
  2. Step 2: Convert to fraction form
    65,727.60/98,533.80 = 39,404.40/x
  3. Step 3: Cross multiply
    65,727.60x = 98,533.80 × 39,404.40
  4. Step 4: Simplify right side
    65,727.60x = 3,882,665,268.72
  5. Step 5: Solve for x
    x = 3,882,665,268.72/65,727.60
  6. Step 6: Final answer
    x = 59,072.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.