Home / 52,158.55-78,203.25-18,874.28

Finding the Fourth Proportional to 52,158.55, 78,203.25 and 18,874.28

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Solution

The fourth proportional to 52,158.55, 78,203.25 and 18,874.28 is: 28,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,158.55 : 78,203.25 = 18,874.28 : x
  2. Step 2: Convert to fraction form
    52,158.55/78,203.25 = 18,874.28/x
  3. Step 3: Cross multiply
    52,158.55x = 78,203.25 × 18,874.28
  4. Step 4: Simplify right side
    52,158.55x = 1,476,030,037.41
  5. Step 5: Solve for x
    x = 1,476,030,037.41/52,158.55
  6. Step 6: Final answer
    x = 28,298.91

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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.