Home / 106,942.15-147,595.98-61,611.51

Finding the Fourth Proportional to 106,942.15, 147,595.98 and 61,611.51

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Solution

The fourth proportional to 106,942.15, 147,595.98 and 61,611.51 is: 85,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,942.15 : 147,595.98 = 61,611.51 : x
  2. Step 2: Convert to fraction form
    106,942.15/147,595.98 = 61,611.51/x
  3. Step 3: Cross multiply
    106,942.15x = 147,595.98 × 61,611.51
  4. Step 4: Simplify right side
    106,942.15x = 9,093,611,197.73
  5. Step 5: Solve for x
    x = 9,093,611,197.73/106,942.15
  6. Step 6: Final answer
    x = 85,032.99

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1.5x scale

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.