Home / 74,036.94-102,173.44-40,502.94

Finding the Fourth Proportional to 74,036.94, 102,173.44 and 40,502.94

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Solution

The fourth proportional to 74,036.94, 102,173.44 and 40,502.94 is: 55,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036.94 : 102,173.44 = 40,502.94 : x
  2. Step 2: Convert to fraction form
    74,036.94/102,173.44 = 40,502.94/x
  3. Step 3: Cross multiply
    74,036.94x = 102,173.44 × 40,502.94
  4. Step 4: Simplify right side
    74,036.94x = 4,138,324,709.91
  5. Step 5: Solve for x
    x = 4,138,324,709.91/74,036.94
  6. Step 6: Final answer
    x = 55,895.40

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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.