Home / 109,671.16-151,329.14-61,923.48

Finding the Fourth Proportional to 109,671.16, 151,329.14 and 61,923.48

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Solution

The fourth proportional to 109,671.16, 151,329.14 and 61,923.48 is: 85,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,671.16 : 151,329.14 = 61,923.48 : x
  2. Step 2: Convert to fraction form
    109,671.16/151,329.14 = 61,923.48/x
  3. Step 3: Cross multiply
    109,671.16x = 151,329.14 × 61,923.48
  4. Step 4: Simplify right side
    109,671.16x = 9,370,826,974.21
  5. Step 5: Solve for x
    x = 9,370,826,974.21/109,671.16
  6. Step 6: Final answer
    x = 85,444.77

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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.