Home / 77,151.02-106,467.45-45,322.82

Finding the Fourth Proportional to 77,151.02, 106,467.45 and 45,322.82

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Solution

The fourth proportional to 77,151.02, 106,467.45 and 45,322.82 is: 62,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,151.02 : 106,467.45 = 45,322.82 : x
  2. Step 2: Convert to fraction form
    77,151.02/106,467.45 = 45,322.82/x
  3. Step 3: Cross multiply
    77,151.02x = 106,467.45 × 45,322.82
  4. Step 4: Simplify right side
    77,151.02x = 4,825,405,072.21
  5. Step 5: Solve for x
    x = 4,825,405,072.21/77,151.02
  6. Step 6: Final answer
    x = 62,544.93

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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.