Home / 111,823.04-154,315.32-61,520.96

Finding the Fourth Proportional to 111,823.04, 154,315.32 and 61,520.96

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Solution

The fourth proportional to 111,823.04, 154,315.32 and 61,520.96 is: 84,898.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,823.04 : 154,315.32 = 61,520.96 : x
  2. Step 2: Convert to fraction form
    111,823.04/154,315.32 = 61,520.96/x
  3. Step 3: Cross multiply
    111,823.04x = 154,315.32 × 61,520.96
  4. Step 4: Simplify right side
    111,823.04x = 9,493,626,629.11
  5. Step 5: Solve for x
    x = 9,493,626,629.11/111,823.04
  6. Step 6: Final answer
    x = 84,898.66

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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.