Home / 52,254.34-72,109.80-28,380.50

Finding the Fourth Proportional to 52,254.34, 72,109.80 and 28,380.50

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Solution

The fourth proportional to 52,254.34, 72,109.80 and 28,380.50 is: 39,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254.34 : 72,109.80 = 28,380.50 : x
  2. Step 2: Convert to fraction form
    52,254.34/72,109.80 = 28,380.50/x
  3. Step 3: Cross multiply
    52,254.34x = 72,109.80 × 28,380.50
  4. Step 4: Simplify right side
    52,254.34x = 2,046,512,178.90
  5. Step 5: Solve for x
    x = 2,046,512,178.90/52,254.34
  6. Step 6: Final answer
    x = 39,164.44

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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.