Home / 57,588.98-86,420.40-39,767.66

Finding the Fourth Proportional to 57,588.98, 86,420.40 and 39,767.66

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Solution

The fourth proportional to 57,588.98, 86,420.40 and 39,767.66 is: 59,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.98 : 86,420.40 = 39,767.66 : x
  2. Step 2: Convert to fraction form
    57,588.98/86,420.40 = 39,767.66/x
  3. Step 3: Cross multiply
    57,588.98x = 86,420.40 × 39,767.66
  4. Step 4: Simplify right side
    57,588.98x = 3,436,737,084.26
  5. Step 5: Solve for x
    x = 3,436,737,084.26/57,588.98
  6. Step 6: Final answer
    x = 59,676.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.