Home / 74,509.42-102,818.84-42,680.37

Finding the Fourth Proportional to 74,509.42, 102,818.84 and 42,680.37

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Solution

The fourth proportional to 74,509.42, 102,818.84 and 42,680.37 is: 58,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,509.42 : 102,818.84 = 42,680.37 : x
  2. Step 2: Convert to fraction form
    74,509.42/102,818.84 = 42,680.37/x
  3. Step 3: Cross multiply
    74,509.42x = 102,818.84 × 42,680.37
  4. Step 4: Simplify right side
    74,509.42x = 4,388,346,088.10
  5. Step 5: Solve for x
    x = 4,388,346,088.10/74,509.42
  6. Step 6: Final answer
    x = 58,896.53

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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.