Home / 66,667.42-99,413.03-66,067.36

Finding the Fourth Proportional to 66,667.42, 99,413.03 and 66,067.36

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Solution

The fourth proportional to 66,667.42, 99,413.03 and 66,067.36 is: 98,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,667.42 : 99,413.03 = 66,067.36 : x
  2. Step 2: Convert to fraction form
    66,667.42/99,413.03 = 66,067.36/x
  3. Step 3: Cross multiply
    66,667.42x = 99,413.03 × 66,067.36
  4. Step 4: Simplify right side
    66,667.42x = 6,567,956,441.70
  5. Step 5: Solve for x
    x = 6,567,956,441.70/66,667.42
  6. Step 6: Final answer
    x = 98,518.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.