Home / 52,539.64-72,503.30-28,666.30

Finding the Fourth Proportional to 52,539.64, 72,503.30 and 28,666.30

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Solution

The fourth proportional to 52,539.64, 72,503.30 and 28,666.30 is: 39,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,539.64 : 72,503.30 = 28,666.30 : x
  2. Step 2: Convert to fraction form
    52,539.64/72,503.30 = 28,666.30/x
  3. Step 3: Cross multiply
    52,539.64x = 72,503.30 × 28,666.30
  4. Step 4: Simplify right side
    52,539.64x = 2,078,401,348.79
  5. Step 5: Solve for x
    x = 2,078,401,348.79/52,539.64
  6. Step 6: Final answer
    x = 39,558.73

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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.