Home / 112,544.79-155,310.54-61,558.98

Finding the Fourth Proportional to 112,544.79, 155,310.54 and 61,558.98

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Solution

The fourth proportional to 112,544.79, 155,310.54 and 61,558.98 is: 84,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,544.79 : 155,310.54 = 61,558.98 : x
  2. Step 2: Convert to fraction form
    112,544.79/155,310.54 = 61,558.98/x
  3. Step 3: Cross multiply
    112,544.79x = 155,310.54 × 61,558.98
  4. Step 4: Simplify right side
    112,544.79x = 9,560,758,425.65
  5. Step 5: Solve for x
    x = 9,560,758,425.65/112,544.79
  6. Step 6: Final answer
    x = 84,950.70

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1.5x scale

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.