Home / 56,803.20-78,388.68-32,602.20

Finding the Fourth Proportional to 56,803.20, 78,388.68 and 32,602.20

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Solution

The fourth proportional to 56,803.20, 78,388.68 and 32,602.20 is: 44,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,803.20 : 78,388.68 = 32,602.20 : x
  2. Step 2: Convert to fraction form
    56,803.20/78,388.68 = 32,602.20/x
  3. Step 3: Cross multiply
    56,803.20x = 78,388.68 × 32,602.20
  4. Step 4: Simplify right side
    56,803.20x = 2,555,643,423.10
  5. Step 5: Solve for x
    x = 2,555,643,423.10/56,803.20
  6. Step 6: Final answer
    x = 44,991.19

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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.