Home / 63,459.38-87,570.93-37,979.75

Finding the Fourth Proportional to 63,459.38, 87,570.93 and 37,979.75

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Solution

The fourth proportional to 63,459.38, 87,570.93 and 37,979.75 is: 52,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,459.38 : 87,570.93 = 37,979.75 : x
  2. Step 2: Convert to fraction form
    63,459.38/87,570.93 = 37,979.75/x
  3. Step 3: Cross multiply
    63,459.38x = 87,570.93 × 37,979.75
  4. Step 4: Simplify right side
    63,459.38x = 3,325,922,028.67
  5. Step 5: Solve for x
    x = 3,325,922,028.67/63,459.38
  6. Step 6: Final answer
    x = 52,410.25

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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.