Home / 50,349.60-75,402.96-39,782.88

Finding the Fourth Proportional to 50,349.60, 75,402.96 and 39,782.88

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Solution

The fourth proportional to 50,349.60, 75,402.96 and 39,782.88 is: 59,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,349.60 : 75,402.96 = 39,782.88 : x
  2. Step 2: Convert to fraction form
    50,349.60/75,402.96 = 39,782.88/x
  3. Step 3: Cross multiply
    50,349.60x = 75,402.96 × 39,782.88
  4. Step 4: Simplify right side
    50,349.60x = 2,999,746,909.32
  5. Step 5: Solve for x
    x = 2,999,746,909.32/50,349.60
  6. Step 6: Final answer
    x = 59,578.37

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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.