Home / 72,432.36-99,956.58-44,138.12

Finding the Fourth Proportional to 72,432.36, 99,956.58 and 44,138.12

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Solution

The fourth proportional to 72,432.36, 99,956.58 and 44,138.12 is: 60,910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,432.36 : 99,956.58 = 44,138.12 : x
  2. Step 2: Convert to fraction form
    72,432.36/99,956.58 = 44,138.12/x
  3. Step 3: Cross multiply
    72,432.36x = 99,956.58 × 44,138.12
  4. Step 4: Simplify right side
    72,432.36x = 4,411,895,522.83
  5. Step 5: Solve for x
    x = 4,411,895,522.83/72,432.36
  6. Step 6: Final answer
    x = 60,910.56

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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.