Home / 74,506.24-102,861.12-49,389.76

Finding the Fourth Proportional to 74,506.24, 102,861.12 and 49,389.76

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Solution

The fourth proportional to 74,506.24, 102,861.12 and 49,389.76 is: 68,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,506.24 : 102,861.12 = 49,389.76 : x
  2. Step 2: Convert to fraction form
    74,506.24/102,861.12 = 49,389.76/x
  3. Step 3: Cross multiply
    74,506.24x = 102,861.12 × 49,389.76
  4. Step 4: Simplify right side
    74,506.24x = 5,080,286,030.13
  5. Step 5: Solve for x
    x = 5,080,286,030.13/74,506.24
  6. Step 6: Final answer
    x = 68,186.05

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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.