Home / 86,413.16-119,241.79-51,967.91

Finding the Fourth Proportional to 86,413.16, 119,241.79 and 51,967.91

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Solution

The fourth proportional to 86,413.16, 119,241.79 and 51,967.91 is: 71,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,413.16 : 119,241.79 = 51,967.91 : x
  2. Step 2: Convert to fraction form
    86,413.16/119,241.79 = 51,967.91/x
  3. Step 3: Cross multiply
    86,413.16x = 119,241.79 × 51,967.91
  4. Step 4: Simplify right side
    86,413.16x = 6,196,746,779.14
  5. Step 5: Solve for x
    x = 6,196,746,779.14/86,413.16
  6. Step 6: Final answer
    x = 71,710.68

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1.5x scale

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.