Home / 57,083.55-78,773.36-31,590.99

Finding the Fourth Proportional to 57,083.55, 78,773.36 and 31,590.99

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Solution

The fourth proportional to 57,083.55, 78,773.36 and 31,590.99 is: 43,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.55 : 78,773.36 = 31,590.99 : x
  2. Step 2: Convert to fraction form
    57,083.55/78,773.36 = 31,590.99/x
  3. Step 3: Cross multiply
    57,083.55x = 78,773.36 × 31,590.99
  4. Step 4: Simplify right side
    57,083.55x = 2,488,528,428.03
  5. Step 5: Solve for x
    x = 2,488,528,428.03/57,083.55
  6. Step 6: Final answer
    x = 43,594.49

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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.