Home / 81,366.66-112,288.08-45,564.24

Finding the Fourth Proportional to 81,366.66, 112,288.08 and 45,564.24

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Solution

The fourth proportional to 81,366.66, 112,288.08 and 45,564.24 is: 62,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,366.66 : 112,288.08 = 45,564.24 : x
  2. Step 2: Convert to fraction form
    81,366.66/112,288.08 = 45,564.24/x
  3. Step 3: Cross multiply
    81,366.66x = 112,288.08 × 45,564.24
  4. Step 4: Simplify right side
    81,366.66x = 5,116,321,026.26
  5. Step 5: Solve for x
    x = 5,116,321,026.26/81,366.66
  6. Step 6: Final answer
    x = 62,879.82

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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.