Home / 55,925.52-83,940.12-28,242.96

Finding the Fourth Proportional to 55,925.52, 83,940.12 and 28,242.96

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Solution

The fourth proportional to 55,925.52, 83,940.12 and 28,242.96 is: 42,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925.52 : 83,940.12 = 28,242.96 : x
  2. Step 2: Convert to fraction form
    55,925.52/83,940.12 = 28,242.96/x
  3. Step 3: Cross multiply
    55,925.52x = 83,940.12 × 28,242.96
  4. Step 4: Simplify right side
    55,925.52x = 2,370,717,451.56
  5. Step 5: Solve for x
    x = 2,370,717,451.56/55,925.52
  6. Step 6: Final answer
    x = 42,390.62

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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.