Home / 56,903.57-78,515.20-32,699.86

Finding the Fourth Proportional to 56,903.57, 78,515.20 and 32,699.86

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Solution

The fourth proportional to 56,903.57, 78,515.20 and 32,699.86 is: 45,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,903.57 : 78,515.20 = 32,699.86 : x
  2. Step 2: Convert to fraction form
    56,903.57/78,515.20 = 32,699.86/x
  3. Step 3: Cross multiply
    56,903.57x = 78,515.20 × 32,699.86
  4. Step 4: Simplify right side
    56,903.57x = 2,567,436,047.87
  5. Step 5: Solve for x
    x = 2,567,436,047.87/56,903.57
  6. Step 6: Final answer
    x = 45,119.07

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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.