Home / 74,345.68-102,594.27-40,353.44

Finding the Fourth Proportional to 74,345.68, 102,594.27 and 40,353.44

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Solution

The fourth proportional to 74,345.68, 102,594.27 and 40,353.44 is: 55,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,345.68 : 102,594.27 = 40,353.44 : x
  2. Step 2: Convert to fraction form
    74,345.68/102,594.27 = 40,353.44/x
  3. Step 3: Cross multiply
    74,345.68x = 102,594.27 × 40,353.44
  4. Step 4: Simplify right side
    74,345.68x = 4,140,031,718.79
  5. Step 5: Solve for x
    x = 4,140,031,718.79/74,345.68
  6. Step 6: Final answer
    x = 55,686.24

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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.