Home / 78,277.11-108,032.58-43,834.95

Finding the Fourth Proportional to 78,277.11, 108,032.58 and 43,834.95

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Solution

The fourth proportional to 78,277.11, 108,032.58 and 43,834.95 is: 60,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,277.11 : 108,032.58 = 43,834.95 : x
  2. Step 2: Convert to fraction form
    78,277.11/108,032.58 = 43,834.95/x
  3. Step 3: Cross multiply
    78,277.11x = 108,032.58 × 43,834.95
  4. Step 4: Simplify right side
    78,277.11x = 4,735,602,742.67
  5. Step 5: Solve for x
    x = 4,735,602,742.67/78,277.11
  6. Step 6: Final answer
    x = 60,497.93

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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.