Home / 74,346.81-102,596.98-40,355.37

Finding the Fourth Proportional to 74,346.81, 102,596.98 and 40,355.37

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Solution

The fourth proportional to 74,346.81, 102,596.98 and 40,355.37 is: 55,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,346.81 : 102,596.98 = 40,355.37 : x
  2. Step 2: Convert to fraction form
    74,346.81/102,596.98 = 40,355.37/x
  3. Step 3: Cross multiply
    74,346.81x = 102,596.98 × 40,355.37
  4. Step 4: Simplify right side
    74,346.81x = 4,140,339,088.78
  5. Step 5: Solve for x
    x = 4,140,339,088.78/74,346.81
  6. Step 6: Final answer
    x = 55,689.53

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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.