Home / 72,872.19-100,561.77-41,041.35

Finding the Fourth Proportional to 72,872.19, 100,561.77 and 41,041.35

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Solution

The fourth proportional to 72,872.19, 100,561.77 and 41,041.35 is: 56,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,872.19 : 100,561.77 = 41,041.35 : x
  2. Step 2: Convert to fraction form
    72,872.19/100,561.77 = 41,041.35/x
  3. Step 3: Cross multiply
    72,872.19x = 100,561.77 × 41,041.35
  4. Step 4: Simplify right side
    72,872.19x = 4,127,190,799.19
  5. Step 5: Solve for x
    x = 4,127,190,799.19/72,872.19
  6. Step 6: Final answer
    x = 56,636.02

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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.