Home / 70,587.35-105,816.04-30,581.19

Finding the Fourth Proportional to 70,587.35, 105,816.04 and 30,581.19

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Solution

The fourth proportional to 70,587.35, 105,816.04 and 30,581.19 is: 45,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.35 : 105,816.04 = 30,581.19 : x
  2. Step 2: Convert to fraction form
    70,587.35/105,816.04 = 30,581.19/x
  3. Step 3: Cross multiply
    70,587.35x = 105,816.04 × 30,581.19
  4. Step 4: Simplify right side
    70,587.35x = 3,235,980,347.83
  5. Step 5: Solve for x
    x = 3,235,980,347.83/70,587.35
  6. Step 6: Final answer
    x = 45,843.63

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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.