Home / 53,927.40-80,891.10-51,652.20

Finding the Fourth Proportional to 53,927.40, 80,891.10 and 51,652.20

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Solution

The fourth proportional to 53,927.40, 80,891.10 and 51,652.20 is: 77,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,927.40 : 80,891.10 = 51,652.20 : x
  2. Step 2: Convert to fraction form
    53,927.40/80,891.10 = 51,652.20/x
  3. Step 3: Cross multiply
    53,927.40x = 80,891.10 × 51,652.20
  4. Step 4: Simplify right side
    53,927.40x = 4,178,203,275.42
  5. Step 5: Solve for x
    x = 4,178,203,275.42/53,927.40
  6. Step 6: Final answer
    x = 77,478.30

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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.