Home / 72,905.36-100,609.40-41,074.24

Finding the Fourth Proportional to 72,905.36, 100,609.40 and 41,074.24

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Solution

The fourth proportional to 72,905.36, 100,609.40 and 41,074.24 is: 56,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,905.36 : 100,609.40 = 41,074.24 : x
  2. Step 2: Convert to fraction form
    72,905.36/100,609.40 = 41,074.24/x
  3. Step 3: Cross multiply
    72,905.36x = 100,609.40 × 41,074.24
  4. Step 4: Simplify right side
    72,905.36x = 4,132,454,641.86
  5. Step 5: Solve for x
    x = 4,132,454,641.86/72,905.36
  6. Step 6: Final answer
    x = 56,682.45

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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.