Home / 74,120.04-102,284.64-40,586.04

Finding the Fourth Proportional to 74,120.04, 102,284.64 and 40,586.04

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Solution

The fourth proportional to 74,120.04, 102,284.64 and 40,586.04 is: 56,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,120.04 : 102,284.64 = 40,586.04 : x
  2. Step 2: Convert to fraction form
    74,120.04/102,284.64 = 40,586.04/x
  3. Step 3: Cross multiply
    74,120.04x = 102,284.64 × 40,586.04
  4. Step 4: Simplify right side
    74,120.04x = 4,151,328,490.43
  5. Step 5: Solve for x
    x = 4,151,328,490.43/74,120.04
  6. Step 6: Final answer
    x = 56,008.18

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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.