Home / 47,158.68-65,085.35-43,172.67

Finding the Fourth Proportional to 47,158.68, 65,085.35 and 43,172.67

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Solution

The fourth proportional to 47,158.68, 65,085.35 and 43,172.67 is: 59,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.68 : 65,085.35 = 43,172.67 : x
  2. Step 2: Convert to fraction form
    47,158.68/65,085.35 = 43,172.67/x
  3. Step 3: Cross multiply
    47,158.68x = 65,085.35 × 43,172.67
  4. Step 4: Simplify right side
    47,158.68x = 2,809,908,121.52
  5. Step 5: Solve for x
    x = 2,809,908,121.52/47,158.68
  6. Step 6: Final answer
    x = 59,584.11

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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.