Home / 56,502.40-84,775.20-55,616.80

Finding the Fourth Proportional to 56,502.40, 84,775.20 and 55,616.80

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Solution

The fourth proportional to 56,502.40, 84,775.20 and 55,616.80 is: 83,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,502.40 : 84,775.20 = 55,616.80 : x
  2. Step 2: Convert to fraction form
    56,502.40/84,775.20 = 55,616.80/x
  3. Step 3: Cross multiply
    56,502.40x = 84,775.20 × 55,616.80
  4. Step 4: Simplify right side
    56,502.40x = 4,714,925,343.36
  5. Step 5: Solve for x
    x = 4,714,925,343.36/56,502.40
  6. Step 6: Final answer
    x = 83,446.46

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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.