Home / 74,389.04-102,659.24-40,855.04

Finding the Fourth Proportional to 74,389.04, 102,659.24 and 40,855.04

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Solution

The fourth proportional to 74,389.04, 102,659.24 and 40,855.04 is: 56,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,389.04 : 102,659.24 = 40,855.04 : x
  2. Step 2: Convert to fraction form
    74,389.04/102,659.24 = 40,855.04/x
  3. Step 3: Cross multiply
    74,389.04x = 102,659.24 × 40,855.04
  4. Step 4: Simplify right side
    74,389.04x = 4,194,147,356.57
  5. Step 5: Solve for x
    x = 4,194,147,356.57/74,389.04
  6. Step 6: Final answer
    x = 56,381.25

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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.