Home / 50,815.57-70,124.57-28,154.10

Finding the Fourth Proportional to 50,815.57, 70,124.57 and 28,154.10

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Solution

The fourth proportional to 50,815.57, 70,124.57 and 28,154.10 is: 38,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.57 : 70,124.57 = 28,154.10 : x
  2. Step 2: Convert to fraction form
    50,815.57/70,124.57 = 28,154.10/x
  3. Step 3: Cross multiply
    50,815.57x = 70,124.57 × 28,154.10
  4. Step 4: Simplify right side
    50,815.57x = 1,974,294,489.59
  5. Step 5: Solve for x
    x = 1,974,294,489.59/50,815.57
  6. Step 6: Final answer
    x = 38,852.16

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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.