Home / 99,947.62-149,947.40-29,826.93

Finding the Fourth Proportional to 99,947.62, 149,947.40 and 29,826.93

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Solution

The fourth proportional to 99,947.62, 149,947.40 and 29,826.93 is: 44,748.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,947.62 : 149,947.40 = 29,826.93 : x
  2. Step 2: Convert to fraction form
    99,947.62/149,947.40 = 29,826.93/x
  3. Step 3: Cross multiply
    99,947.62x = 149,947.40 × 29,826.93
  4. Step 4: Simplify right side
    99,947.62x = 4,472,470,603.48
  5. Step 5: Solve for x
    x = 4,472,470,603.48/99,947.62
  6. Step 6: Final answer
    x = 44,748.15

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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.