Home / 45,637.08-63,119.16-40,919.64

Finding the Fourth Proportional to 45,637.08, 63,119.16 and 40,919.64

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Solution

The fourth proportional to 45,637.08, 63,119.16 and 40,919.64 is: 56,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,637.08 : 63,119.16 = 40,919.64 : x
  2. Step 2: Convert to fraction form
    45,637.08/63,119.16 = 40,919.64/x
  3. Step 3: Cross multiply
    45,637.08x = 63,119.16 × 40,919.64
  4. Step 4: Simplify right side
    45,637.08x = 2,582,813,304.30
  5. Step 5: Solve for x
    x = 2,582,813,304.30/45,637.08
  6. Step 6: Final answer
    x = 56,594.62

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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.