Home / 73,091.04-100,869.69-51,587.67

Finding the Fourth Proportional to 73,091.04, 100,869.69 and 51,587.67

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Solution

The fourth proportional to 73,091.04, 100,869.69 and 51,587.67 is: 71,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,091.04 : 100,869.69 = 51,587.67 : x
  2. Step 2: Convert to fraction form
    73,091.04/100,869.69 = 51,587.67/x
  3. Step 3: Cross multiply
    73,091.04x = 100,869.69 × 51,587.67
  4. Step 4: Simplify right side
    73,091.04x = 5,203,632,280.72
  5. Step 5: Solve for x
    x = 5,203,632,280.72/73,091.04
  6. Step 6: Final answer
    x = 71,193.85

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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.