Home / 78,500.02-108,367.23-50,222.11

Finding the Fourth Proportional to 78,500.02, 108,367.23 and 50,222.11

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Solution

The fourth proportional to 78,500.02, 108,367.23 and 50,222.11 is: 69,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,500.02 : 108,367.23 = 50,222.11 : x
  2. Step 2: Convert to fraction form
    78,500.02/108,367.23 = 50,222.11/x
  3. Step 3: Cross multiply
    78,500.02x = 108,367.23 × 50,222.11
  4. Step 4: Simplify right side
    78,500.02x = 5,442,430,945.46
  5. Step 5: Solve for x
    x = 5,442,430,945.46/78,500.02
  6. Step 6: Final answer
    x = 69,330.31

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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.