Home / 104,811.11-144,642.36-57,065.27

Finding the Fourth Proportional to 104,811.11, 144,642.36 and 57,065.27

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Solution

The fourth proportional to 104,811.11, 144,642.36 and 57,065.27 is: 78,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811.11 : 144,642.36 = 57,065.27 : x
  2. Step 2: Convert to fraction form
    104,811.11/144,642.36 = 57,065.27/x
  3. Step 3: Cross multiply
    104,811.11x = 144,642.36 × 57,065.27
  4. Step 4: Simplify right side
    104,811.11x = 8,254,055,326.84
  5. Step 5: Solve for x
    x = 8,254,055,326.84/104,811.11
  6. Step 6: Final answer
    x = 78,751.72

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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.