Home / 74,416.07-102,696.03-40,424.55

Finding the Fourth Proportional to 74,416.07, 102,696.03 and 40,424.55

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Solution

The fourth proportional to 74,416.07, 102,696.03 and 40,424.55 is: 55,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.07 : 102,696.03 = 40,424.55 : x
  2. Step 2: Convert to fraction form
    74,416.07/102,696.03 = 40,424.55/x
  3. Step 3: Cross multiply
    74,416.07x = 102,696.03 × 40,424.55
  4. Step 4: Simplify right side
    74,416.07x = 4,151,440,597.41
  5. Step 5: Solve for x
    x = 4,151,440,597.41/74,416.07
  6. Step 6: Final answer
    x = 55,786.89

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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.