Home / 64,715.23-97,086.70-36,648.55

Finding the Fourth Proportional to 64,715.23, 97,086.70 and 36,648.55

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Solution

The fourth proportional to 64,715.23, 97,086.70 and 36,648.55 is: 54,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,715.23 : 97,086.70 = 36,648.55 : x
  2. Step 2: Convert to fraction form
    64,715.23/97,086.70 = 36,648.55/x
  3. Step 3: Cross multiply
    64,715.23x = 97,086.70 × 36,648.55
  4. Step 4: Simplify right side
    64,715.23x = 3,558,086,202.23
  5. Step 5: Solve for x
    x = 3,558,086,202.23/64,715.23
  6. Step 6: Final answer
    x = 54,980.67

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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.