Home / 74,623.77-102,975.57-42,359.04

Finding the Fourth Proportional to 74,623.77, 102,975.57 and 42,359.04

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Solution

The fourth proportional to 74,623.77, 102,975.57 and 42,359.04 is: 58,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.77 : 102,975.57 = 42,359.04 : x
  2. Step 2: Convert to fraction form
    74,623.77/102,975.57 = 42,359.04/x
  3. Step 3: Cross multiply
    74,623.77x = 102,975.57 × 42,359.04
  4. Step 4: Simplify right side
    74,623.77x = 4,361,946,288.65
  5. Step 5: Solve for x
    x = 4,361,946,288.65/74,623.77
  6. Step 6: Final answer
    x = 58,452.50

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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.