Home / 73,065.31-100,812.70-50,397.05

Finding the Fourth Proportional to 73,065.31, 100,812.70 and 50,397.05

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Solution

The fourth proportional to 73,065.31, 100,812.70 and 50,397.05 is: 69,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,065.31 : 100,812.70 = 50,397.05 : x
  2. Step 2: Convert to fraction form
    73,065.31/100,812.70 = 50,397.05/x
  3. Step 3: Cross multiply
    73,065.31x = 100,812.70 × 50,397.05
  4. Step 4: Simplify right side
    73,065.31x = 5,080,662,808.57
  5. Step 5: Solve for x
    x = 5,080,662,808.57/73,065.31
  6. Step 6: Final answer
    x = 69,535.91

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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.