Home / 56,867.22-78,451.39-32,980.06

Finding the Fourth Proportional to 56,867.22, 78,451.39 and 32,980.06

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Solution

The fourth proportional to 56,867.22, 78,451.39 and 32,980.06 is: 45,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.22 : 78,451.39 = 32,980.06 : x
  2. Step 2: Convert to fraction form
    56,867.22/78,451.39 = 32,980.06/x
  3. Step 3: Cross multiply
    56,867.22x = 78,451.39 × 32,980.06
  4. Step 4: Simplify right side
    56,867.22x = 2,587,331,549.28
  5. Step 5: Solve for x
    x = 2,587,331,549.28/56,867.22
  6. Step 6: Final answer
    x = 45,497.77

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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.