Home / 109,931.63-151,705.64-62,183.95

Finding the Fourth Proportional to 109,931.63, 151,705.64 and 62,183.95

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Solution

The fourth proportional to 109,931.63, 151,705.64 and 62,183.95 is: 85,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,931.63 : 151,705.64 = 62,183.95 : x
  2. Step 2: Convert to fraction form
    109,931.63/151,705.64 = 62,183.95/x
  3. Step 3: Cross multiply
    109,931.63x = 151,705.64 × 62,183.95
  4. Step 4: Simplify right side
    109,931.63x = 9,433,655,708.67
  5. Step 5: Solve for x
    x = 9,433,655,708.67/109,931.63
  6. Step 6: Final answer
    x = 85,813.85

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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.