Home / 86,238.53-119,012.60-47,999.67

Finding the Fourth Proportional to 86,238.53, 119,012.60 and 47,999.67

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Solution

The fourth proportional to 86,238.53, 119,012.60 and 47,999.67 is: 66,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.53 : 119,012.60 = 47,999.67 : x
  2. Step 2: Convert to fraction form
    86,238.53/119,012.60 = 47,999.67/x
  3. Step 3: Cross multiply
    86,238.53x = 119,012.60 × 47,999.67
  4. Step 4: Simplify right side
    86,238.53x = 5,712,565,285.84
  5. Step 5: Solve for x
    x = 5,712,565,285.84/86,238.53
  6. Step 6: Final answer
    x = 66,241.45

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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.