Home / 112,942.40-169,329.35-67,953.23

Finding the Fourth Proportional to 112,942.40, 169,329.35 and 67,953.23

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Solution

The fourth proportional to 112,942.40, 169,329.35 and 67,953.23 is: 101,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,942.40 : 169,329.35 = 67,953.23 : x
  2. Step 2: Convert to fraction form
    112,942.40/169,329.35 = 67,953.23/x
  3. Step 3: Cross multiply
    112,942.40x = 169,329.35 × 67,953.23
  4. Step 4: Simplify right side
    112,942.40x = 11,506,475,079.89
  5. Step 5: Solve for x
    x = 11,506,475,079.89/112,942.40
  6. Step 6: Final answer
    x = 101,879.15

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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.