Home / 104,935.45-144,811.11-57,188.77

Finding the Fourth Proportional to 104,935.45, 144,811.11 and 57,188.77

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Solution

The fourth proportional to 104,935.45, 144,811.11 and 57,188.77 is: 78,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,935.45 : 144,811.11 = 57,188.77 : x
  2. Step 2: Convert to fraction form
    104,935.45/144,811.11 = 57,188.77/x
  3. Step 3: Cross multiply
    104,935.45x = 144,811.11 × 57,188.77
  4. Step 4: Simplify right side
    104,935.45x = 8,281,569,263.23
  5. Step 5: Solve for x
    x = 8,281,569,263.23/104,935.45
  6. Step 6: Final answer
    x = 78,920.61

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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.