Home / 73,923.23-102,014.10-39,931.72

Finding the Fourth Proportional to 73,923.23, 102,014.10 and 39,931.72

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Solution

The fourth proportional to 73,923.23, 102,014.10 and 39,931.72 is: 55,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,923.23 : 102,014.10 = 39,931.72 : x
  2. Step 2: Convert to fraction form
    73,923.23/102,014.10 = 39,931.72/x
  3. Step 3: Cross multiply
    73,923.23x = 102,014.10 × 39,931.72
  4. Step 4: Simplify right side
    73,923.23x = 4,073,598,477.25
  5. Step 5: Solve for x
    x = 4,073,598,477.25/73,923.23
  6. Step 6: Final answer
    x = 55,105.80

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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.