Home / 72,428.76-99,954.60-40,597.44

Finding the Fourth Proportional to 72,428.76, 99,954.60 and 40,597.44

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Solution

The fourth proportional to 72,428.76, 99,954.60 and 40,597.44 is: 56,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,428.76 : 99,954.60 = 40,597.44 : x
  2. Step 2: Convert to fraction form
    72,428.76/99,954.60 = 40,597.44/x
  3. Step 3: Cross multiply
    72,428.76x = 99,954.60 × 40,597.44
  4. Step 4: Simplify right side
    72,428.76x = 4,057,900,876.22
  5. Step 5: Solve for x
    x = 4,057,900,876.22/72,428.76
  6. Step 6: Final answer
    x = 56,026.10

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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.