Home / 112,803.71-169,177.95-49,639.77

Finding the Fourth Proportional to 112,803.71, 169,177.95 and 49,639.77

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Solution

The fourth proportional to 112,803.71, 169,177.95 and 49,639.77 is: 74,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,803.71 : 169,177.95 = 49,639.77 : x
  2. Step 2: Convert to fraction form
    112,803.71/169,177.95 = 49,639.77/x
  3. Step 3: Cross multiply
    112,803.71x = 169,177.95 × 49,639.77
  4. Step 4: Simplify right side
    112,803.71x = 8,397,954,527.07
  5. Step 5: Solve for x
    x = 8,397,954,527.07/112,803.71
  6. Step 6: Final answer
    x = 74,447.51

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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.