Home / 74,879.76-103,330.44-43,041.36

Finding the Fourth Proportional to 74,879.76, 103,330.44 and 43,041.36

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Solution

The fourth proportional to 74,879.76, 103,330.44 and 43,041.36 is: 59,394.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879.76 : 103,330.44 = 43,041.36 : x
  2. Step 2: Convert to fraction form
    74,879.76/103,330.44 = 43,041.36/x
  3. Step 3: Cross multiply
    74,879.76x = 103,330.44 × 43,041.36
  4. Step 4: Simplify right side
    74,879.76x = 4,447,482,667.00
  5. Step 5: Solve for x
    x = 4,447,482,667.00/74,879.76
  6. Step 6: Final answer
    x = 59,394.99

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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.