Home / 76,254.72-114,224.64-56,555.52

Finding the Fourth Proportional to 76,254.72, 114,224.64 and 56,555.52

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Solution

The fourth proportional to 76,254.72, 114,224.64 and 56,555.52 is: 84,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,254.72 : 114,224.64 = 56,555.52 : x
  2. Step 2: Convert to fraction form
    76,254.72/114,224.64 = 56,555.52/x
  3. Step 3: Cross multiply
    76,254.72x = 114,224.64 × 56,555.52
  4. Step 4: Simplify right side
    76,254.72x = 6,460,033,912.01
  5. Step 5: Solve for x
    x = 6,460,033,912.01/76,254.72
  6. Step 6: Final answer
    x = 84,716.51

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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.