Home / 56,923.32-85,428.54-25,780.44

Finding the Fourth Proportional to 56,923.32, 85,428.54 and 25,780.44

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Solution

The fourth proportional to 56,923.32, 85,428.54 and 25,780.44 is: 38,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,923.32 : 85,428.54 = 25,780.44 : x
  2. Step 2: Convert to fraction form
    56,923.32/85,428.54 = 25,780.44/x
  3. Step 3: Cross multiply
    56,923.32x = 85,428.54 × 25,780.44
  4. Step 4: Simplify right side
    56,923.32x = 2,202,385,349.76
  5. Step 5: Solve for x
    x = 2,202,385,349.76/56,923.32
  6. Step 6: Final answer
    x = 38,690.39

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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.