Home / 76,247.47-114,266.02-55,018.36

Finding the Fourth Proportional to 76,247.47, 114,266.02 and 55,018.36

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Solution

The fourth proportional to 76,247.47, 114,266.02 and 55,018.36 is: 82,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,247.47 : 114,266.02 = 55,018.36 : x
  2. Step 2: Convert to fraction form
    76,247.47/114,266.02 = 55,018.36/x
  3. Step 3: Cross multiply
    76,247.47x = 114,266.02 × 55,018.36
  4. Step 4: Simplify right side
    76,247.47x = 6,286,729,024.13
  5. Step 5: Solve for x
    x = 6,286,729,024.13/76,247.47
  6. Step 6: Final answer
    x = 82,451.64

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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.