Home / 74,709.14-111,879.18-55,688.18

Finding the Fourth Proportional to 74,709.14, 111,879.18 and 55,688.18

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Solution

The fourth proportional to 74,709.14, 111,879.18 and 55,688.18 is: 83,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,709.14 : 111,879.18 = 55,688.18 : x
  2. Step 2: Convert to fraction form
    74,709.14/111,879.18 = 55,688.18/x
  3. Step 3: Cross multiply
    74,709.14x = 111,879.18 × 55,688.18
  4. Step 4: Simplify right side
    74,709.14x = 6,230,347,354.70
  5. Step 5: Solve for x
    x = 6,230,347,354.70/74,709.14
  6. Step 6: Final answer
    x = 83,394.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.