Home / 56,353.12-77,766-32,478.28

Finding the Fourth Proportional to 56,353.12, 77,766 and 32,478.28

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Solution

The fourth proportional to 56,353.12, 77,766 and 32,478.28 is: 44,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,353.12 : 77,766 = 32,478.28 : x
  2. Step 2: Convert to fraction form
    56,353.12/77,766 = 32,478.28/x
  3. Step 3: Cross multiply
    56,353.12x = 77,766 × 32,478.28
  4. Step 4: Simplify right side
    56,353.12x = 2,525,705,922.48
  5. Step 5: Solve for x
    x = 2,525,705,922.48/56,353.12
  6. Step 6: Final answer
    x = 44,819.27

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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.