Home / 52,292.42-72,164.61-28,420.64

Finding the Fourth Proportional to 52,292.42, 72,164.61 and 28,420.64

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Solution

The fourth proportional to 52,292.42, 72,164.61 and 28,420.64 is: 39,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.42 : 72,164.61 = 28,420.64 : x
  2. Step 2: Convert to fraction form
    52,292.42/72,164.61 = 28,420.64/x
  3. Step 3: Cross multiply
    52,292.42x = 72,164.61 × 28,420.64
  4. Step 4: Simplify right side
    52,292.42x = 2,050,964,040.73
  5. Step 5: Solve for x
    x = 2,050,964,040.73/52,292.42
  6. Step 6: Final answer
    x = 39,221.06

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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.