Home / 85,666.22-118,217.54-47,423.56

Finding the Fourth Proportional to 85,666.22, 118,217.54 and 47,423.56

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Solution

The fourth proportional to 85,666.22, 118,217.54 and 47,423.56 is: 65,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,666.22 : 118,217.54 = 47,423.56 : x
  2. Step 2: Convert to fraction form
    85,666.22/118,217.54 = 47,423.56/x
  3. Step 3: Cross multiply
    85,666.22x = 118,217.54 × 47,423.56
  4. Step 4: Simplify right side
    85,666.22x = 5,606,296,601.24
  5. Step 5: Solve for x
    x = 5,606,296,601.24/85,666.22
  6. Step 6: Final answer
    x = 65,443.49

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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.