Home / 74,554.65-102,888.24-42,729.69

Finding the Fourth Proportional to 74,554.65, 102,888.24 and 42,729.69

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Solution

The fourth proportional to 74,554.65, 102,888.24 and 42,729.69 is: 58,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.65 : 102,888.24 = 42,729.69 : x
  2. Step 2: Convert to fraction form
    74,554.65/102,888.24 = 42,729.69/x
  3. Step 3: Cross multiply
    74,554.65x = 102,888.24 × 42,729.69
  4. Step 4: Simplify right side
    74,554.65x = 4,396,382,599.85
  5. Step 5: Solve for x
    x = 4,396,382,599.85/74,554.65
  6. Step 6: Final answer
    x = 58,968.59

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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.