Home / 57,160.99-78,833.45-45,203.57

Finding the Fourth Proportional to 57,160.99, 78,833.45 and 45,203.57

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Solution

The fourth proportional to 57,160.99, 78,833.45 and 45,203.57 is: 62,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,160.99 : 78,833.45 = 45,203.57 : x
  2. Step 2: Convert to fraction form
    57,160.99/78,833.45 = 45,203.57/x
  3. Step 3: Cross multiply
    57,160.99x = 78,833.45 × 45,203.57
  4. Step 4: Simplify right side
    57,160.99x = 3,563,553,389.88
  5. Step 5: Solve for x
    x = 3,563,553,389.88/57,160.99
  6. Step 6: Final answer
    x = 62,342.40

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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.