Home / 74,437.34-102,724.16-40,445.83

Finding the Fourth Proportional to 74,437.34, 102,724.16 and 40,445.83

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Solution

The fourth proportional to 74,437.34, 102,724.16 and 40,445.83 is: 55,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.34 : 102,724.16 = 40,445.83 : x
  2. Step 2: Convert to fraction form
    74,437.34/102,724.16 = 40,445.83/x
  3. Step 3: Cross multiply
    74,437.34x = 102,724.16 × 40,445.83
  4. Step 4: Simplify right side
    74,437.34x = 4,154,763,453.21
  5. Step 5: Solve for x
    x = 4,154,763,453.21/74,437.34
  6. Step 6: Final answer
    x = 55,815.58

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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.