Home / 112,942.04-169,328.78-67,952.85

Finding the Fourth Proportional to 112,942.04, 169,328.78 and 67,952.85

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Solution

The fourth proportional to 112,942.04, 169,328.78 and 67,952.85 is: 101,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,942.04 : 169,328.78 = 67,952.85 : x
  2. Step 2: Convert to fraction form
    112,942.04/169,328.78 = 67,952.85/x
  3. Step 3: Cross multiply
    112,942.04x = 169,328.78 × 67,952.85
  4. Step 4: Simplify right side
    112,942.04x = 11,506,372,468.10
  5. Step 5: Solve for x
    x = 11,506,372,468.10/112,942.04
  6. Step 6: Final answer
    x = 101,878.57

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1.5x scale

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.