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Finding the Fourth Proportional to 56,119.10, 84,194.03 and 28,005.22

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Solution

The fourth proportional to 56,119.10, 84,194.03 and 28,005.22 is: 42,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,119.10 : 84,194.03 = 28,005.22 : x
  2. Step 2: Convert to fraction form
    56,119.10/84,194.03 = 28,005.22/x
  3. Step 3: Cross multiply
    56,119.10x = 84,194.03 × 28,005.22
  4. Step 4: Simplify right side
    56,119.10x = 2,357,872,271.30
  5. Step 5: Solve for x
    x = 2,357,872,271.30/56,119.10
  6. Step 6: Final answer
    x = 42,015.50

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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.