Home / 77,027.27-106,287.09-43,031.57

Finding the Fourth Proportional to 77,027.27, 106,287.09 and 43,031.57

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Solution

The fourth proportional to 77,027.27, 106,287.09 and 43,031.57 is: 59,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,027.27 : 106,287.09 = 43,031.57 : x
  2. Step 2: Convert to fraction form
    77,027.27/106,287.09 = 43,031.57/x
  3. Step 3: Cross multiply
    77,027.27x = 106,287.09 × 43,031.57
  4. Step 4: Simplify right side
    77,027.27x = 4,573,699,822.00
  5. Step 5: Solve for x
    x = 4,573,699,822.00/77,027.27
  6. Step 6: Final answer
    x = 59,377.67

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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.