Home / 57,187.23-78,916.23-31,692.93

Finding the Fourth Proportional to 57,187.23, 78,916.23 and 31,692.93

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Solution

The fourth proportional to 57,187.23, 78,916.23 and 31,692.93 is: 43,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187.23 : 78,916.23 = 31,692.93 : x
  2. Step 2: Convert to fraction form
    57,187.23/78,916.23 = 31,692.93/x
  3. Step 3: Cross multiply
    57,187.23x = 78,916.23 × 31,692.93
  4. Step 4: Simplify right side
    57,187.23x = 2,501,086,553.25
  5. Step 5: Solve for x
    x = 2,501,086,553.25/57,187.23
  6. Step 6: Final answer
    x = 43,735.05

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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.