Home / 74,036.24-102,172.56-40,502.24

Finding the Fourth Proportional to 74,036.24, 102,172.56 and 40,502.24

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Solution

The fourth proportional to 74,036.24, 102,172.56 and 40,502.24 is: 55,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036.24 : 102,172.56 = 40,502.24 : x
  2. Step 2: Convert to fraction form
    74,036.24/102,172.56 = 40,502.24/x
  3. Step 3: Cross multiply
    74,036.24x = 102,172.56 × 40,502.24
  4. Step 4: Simplify right side
    74,036.24x = 4,138,217,546.53
  5. Step 5: Solve for x
    x = 4,138,217,546.53/74,036.24
  6. Step 6: Final answer
    x = 55,894.49

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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.