Home / 85,953.50-118,616.64-48,228.56

Finding the Fourth Proportional to 85,953.50, 118,616.64 and 48,228.56

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Solution

The fourth proportional to 85,953.50, 118,616.64 and 48,228.56 is: 66,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,953.50 : 118,616.64 = 48,228.56 : x
  2. Step 2: Convert to fraction form
    85,953.50/118,616.64 = 48,228.56/x
  3. Step 3: Cross multiply
    85,953.50x = 118,616.64 × 48,228.56
  4. Step 4: Simplify right side
    85,953.50x = 5,720,709,739.24
  5. Step 5: Solve for x
    x = 5,720,709,739.24/85,953.50
  6. Step 6: Final answer
    x = 66,555.87

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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.