Home / 74,044.05-102,183.13-40,510.05

Finding the Fourth Proportional to 74,044.05, 102,183.13 and 40,510.05

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Solution

The fourth proportional to 74,044.05, 102,183.13 and 40,510.05 is: 55,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,044.05 : 102,183.13 = 40,510.05 : x
  2. Step 2: Convert to fraction form
    74,044.05/102,183.13 = 40,510.05/x
  3. Step 3: Cross multiply
    74,044.05x = 102,183.13 × 40,510.05
  4. Step 4: Simplify right side
    74,044.05x = 4,139,443,705.46
  5. Step 5: Solve for x
    x = 4,139,443,705.46/74,044.05
  6. Step 6: Final answer
    x = 55,905.15

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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.