Home / 79,981.93-110,325.04-47,693.91

Finding the Fourth Proportional to 79,981.93, 110,325.04 and 47,693.91

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Solution

The fourth proportional to 79,981.93, 110,325.04 and 47,693.91 is: 65,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,981.93 : 110,325.04 = 47,693.91 : x
  2. Step 2: Convert to fraction form
    79,981.93/110,325.04 = 47,693.91/x
  3. Step 3: Cross multiply
    79,981.93x = 110,325.04 × 47,693.91
  4. Step 4: Simplify right side
    79,981.93x = 5,261,832,822.99
  5. Step 5: Solve for x
    x = 5,261,832,822.99/79,981.93
  6. Step 6: Final answer
    x = 65,787.77

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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.