Home / 52,211.43-72,051.85-28,338.11

Finding the Fourth Proportional to 52,211.43, 72,051.85 and 28,338.11

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Solution

The fourth proportional to 52,211.43, 72,051.85 and 28,338.11 is: 39,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.43 : 72,051.85 = 28,338.11 : x
  2. Step 2: Convert to fraction form
    52,211.43/72,051.85 = 28,338.11/x
  3. Step 3: Cross multiply
    52,211.43x = 72,051.85 × 28,338.11
  4. Step 4: Simplify right side
    52,211.43x = 2,041,813,466.56
  5. Step 5: Solve for x
    x = 2,041,813,466.56/52,211.43
  6. Step 6: Final answer
    x = 39,106.64

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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.