Home / 85,944.13-118,600.62-47,703.57

Finding the Fourth Proportional to 85,944.13, 118,600.62 and 47,703.57

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Solution

The fourth proportional to 85,944.13, 118,600.62 and 47,703.57 is: 65,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,944.13 : 118,600.62 = 47,703.57 : x
  2. Step 2: Convert to fraction form
    85,944.13/118,600.62 = 47,703.57/x
  3. Step 3: Cross multiply
    85,944.13x = 118,600.62 × 47,703.57
  4. Step 4: Simplify right side
    85,944.13x = 5,657,672,978.21
  5. Step 5: Solve for x
    x = 5,657,672,978.21/85,944.13
  6. Step 6: Final answer
    x = 65,829.67

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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.