Home / 52,080.71-78,124.74-25,778.39

Finding the Fourth Proportional to 52,080.71, 78,124.74 and 25,778.39

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Solution

The fourth proportional to 52,080.71, 78,124.74 and 25,778.39 is: 38,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,080.71 : 78,124.74 = 25,778.39 : x
  2. Step 2: Convert to fraction form
    52,080.71/78,124.74 = 25,778.39/x
  3. Step 3: Cross multiply
    52,080.71x = 78,124.74 × 25,778.39
  4. Step 4: Simplify right side
    52,080.71x = 2,013,929,529.08
  5. Step 5: Solve for x
    x = 2,013,929,529.08/52,080.71
  6. Step 6: Final answer
    x = 38,669.40

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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.