Home / 74,357.70-102,589.18-42,089.11

Finding the Fourth Proportional to 74,357.70, 102,589.18 and 42,089.11

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Solution

The fourth proportional to 74,357.70, 102,589.18 and 42,089.11 is: 58,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,357.70 : 102,589.18 = 42,089.11 : x
  2. Step 2: Convert to fraction form
    74,357.70/102,589.18 = 42,089.11/x
  3. Step 3: Cross multiply
    74,357.70x = 102,589.18 × 42,089.11
  4. Step 4: Simplify right side
    74,357.70x = 4,317,887,690.94
  5. Step 5: Solve for x
    x = 4,317,887,690.94/74,357.70
  6. Step 6: Final answer
    x = 58,069.14

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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.