Home / 73,122.09-109,661.34-31,001.50

Finding the Fourth Proportional to 73,122.09, 109,661.34 and 31,001.50

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Solution

The fourth proportional to 73,122.09, 109,661.34 and 31,001.50 is: 46,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,122.09 : 109,661.34 = 31,001.50 : x
  2. Step 2: Convert to fraction form
    73,122.09/109,661.34 = 31,001.50/x
  3. Step 3: Cross multiply
    73,122.09x = 109,661.34 × 31,001.50
  4. Step 4: Simplify right side
    73,122.09x = 3,399,665,483.70
  5. Step 5: Solve for x
    x = 3,399,665,483.70/73,122.09
  6. Step 6: Final answer
    x = 46,493.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.