Home / 106,977.38-147,655.35-66,737.94

Finding the Fourth Proportional to 106,977.38, 147,655.35 and 66,737.94

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Solution

The fourth proportional to 106,977.38, 147,655.35 and 66,737.94 is: 92,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,977.38 : 147,655.35 = 66,737.94 : x
  2. Step 2: Convert to fraction form
    106,977.38/147,655.35 = 66,737.94/x
  3. Step 3: Cross multiply
    106,977.38x = 147,655.35 × 66,737.94
  4. Step 4: Simplify right side
    106,977.38x = 9,854,213,888.98
  5. Step 5: Solve for x
    x = 9,854,213,888.98/106,977.38
  6. Step 6: Final answer
    x = 92,114.93

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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.