Home / 77,162.21-106,487.99-43,168.67

Finding the Fourth Proportional to 77,162.21, 106,487.99 and 43,168.67

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Solution

The fourth proportional to 77,162.21, 106,487.99 and 43,168.67 is: 59,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162.21 : 106,487.99 = 43,168.67 : x
  2. Step 2: Convert to fraction form
    77,162.21/106,487.99 = 43,168.67/x
  3. Step 3: Cross multiply
    77,162.21x = 106,487.99 × 43,168.67
  4. Step 4: Simplify right side
    77,162.21x = 4,596,944,150.99
  5. Step 5: Solve for x
    x = 4,596,944,150.99/77,162.21
  6. Step 6: Final answer
    x = 59,575.08

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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.