Home / 73,005.40-109,637.70-53,306.20

Finding the Fourth Proportional to 73,005.40, 109,637.70 and 53,306.20

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Solution

The fourth proportional to 73,005.40, 109,637.70 and 53,306.20 is: 80,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,005.40 : 109,637.70 = 53,306.20 : x
  2. Step 2: Convert to fraction form
    73,005.40/109,637.70 = 53,306.20/x
  3. Step 3: Cross multiply
    73,005.40x = 109,637.70 × 53,306.20
  4. Step 4: Simplify right side
    73,005.40x = 5,844,369,163.74
  5. Step 5: Solve for x
    x = 5,844,369,163.74/73,005.40
  6. Step 6: Final answer
    x = 80,053.93

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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.