Home / 112,036.98-154,599.96-66,095.65

Finding the Fourth Proportional to 112,036.98, 154,599.96 and 66,095.65

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Solution

The fourth proportional to 112,036.98, 154,599.96 and 66,095.65 is: 91,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.98 : 154,599.96 = 66,095.65 : x
  2. Step 2: Convert to fraction form
    112,036.98/154,599.96 = 66,095.65/x
  3. Step 3: Cross multiply
    112,036.98x = 154,599.96 × 66,095.65
  4. Step 4: Simplify right side
    112,036.98x = 10,218,384,915.49
  5. Step 5: Solve for x
    x = 10,218,384,915.49/112,036.98
  6. Step 6: Final answer
    x = 91,205.47

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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.