Home / 57,537.50-86,307.33-15,985.58

Finding the Fourth Proportional to 57,537.50, 86,307.33 and 15,985.58

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Solution

The fourth proportional to 57,537.50, 86,307.33 and 15,985.58 is: 23,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,537.50 : 86,307.33 = 15,985.58 : x
  2. Step 2: Convert to fraction form
    57,537.50/86,307.33 = 15,985.58/x
  3. Step 3: Cross multiply
    57,537.50x = 86,307.33 × 15,985.58
  4. Step 4: Simplify right side
    57,537.50x = 1,379,672,728.30
  5. Step 5: Solve for x
    x = 1,379,672,728.30/57,537.50
  6. Step 6: Final answer
    x = 23,978.67

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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.