Home / 56,216.90-84,382.41-28,157.06

Finding the Fourth Proportional to 56,216.90, 84,382.41 and 28,157.06

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Solution

The fourth proportional to 56,216.90, 84,382.41 and 28,157.06 is: 42,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.90 : 84,382.41 = 28,157.06 : x
  2. Step 2: Convert to fraction form
    56,216.90/84,382.41 = 28,157.06/x
  3. Step 3: Cross multiply
    56,216.90x = 84,382.41 × 28,157.06
  4. Step 4: Simplify right side
    56,216.90x = 2,375,960,581.31
  5. Step 5: Solve for x
    x = 2,375,960,581.31/56,216.90
  6. Step 6: Final answer
    x = 42,264.17

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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.