Home / 77,089.51-115,638.21-24,503.10

Finding the Fourth Proportional to 77,089.51, 115,638.21 and 24,503.10

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Solution

The fourth proportional to 77,089.51, 115,638.21 and 24,503.10 is: 36,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,089.51 : 115,638.21 = 24,503.10 : x
  2. Step 2: Convert to fraction form
    77,089.51/115,638.21 = 24,503.10/x
  3. Step 3: Cross multiply
    77,089.51x = 115,638.21 × 24,503.10
  4. Step 4: Simplify right side
    77,089.51x = 2,833,494,623.45
  5. Step 5: Solve for x
    x = 2,833,494,623.45/77,089.51
  6. Step 6: Final answer
    x = 36,755.90

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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.