Home / 99,956.08-137,916.84-59,676.40

Finding the Fourth Proportional to 99,956.08, 137,916.84 and 59,676.40

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Solution

The fourth proportional to 99,956.08, 137,916.84 and 59,676.40 is: 82,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,956.08 : 137,916.84 = 59,676.40 : x
  2. Step 2: Convert to fraction form
    99,956.08/137,916.84 = 59,676.40/x
  3. Step 3: Cross multiply
    99,956.08x = 137,916.84 × 59,676.40
  4. Step 4: Simplify right side
    99,956.08x = 8,230,380,510.58
  5. Step 5: Solve for x
    x = 8,230,380,510.58/99,956.08
  6. Step 6: Final answer
    x = 82,339.97

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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.