Home / 86,049.27-118,749.42-47,812.23

Finding the Fourth Proportional to 86,049.27, 118,749.42 and 47,812.23

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Solution

The fourth proportional to 86,049.27, 118,749.42 and 47,812.23 is: 65,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,049.27 : 118,749.42 = 47,812.23 : x
  2. Step 2: Convert to fraction form
    86,049.27/118,749.42 = 47,812.23/x
  3. Step 3: Cross multiply
    86,049.27x = 118,749.42 × 47,812.23
  4. Step 4: Simplify right side
    86,049.27x = 5,677,674,581.41
  5. Step 5: Solve for x
    x = 5,677,674,581.41/86,049.27
  6. Step 6: Final answer
    x = 65,981.67

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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.