Home / 74,284.49-111,413.81-34,300.08

Finding the Fourth Proportional to 74,284.49, 111,413.81 and 34,300.08

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Solution

The fourth proportional to 74,284.49, 111,413.81 and 34,300.08 is: 51,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,284.49 : 111,413.81 = 34,300.08 : x
  2. Step 2: Convert to fraction form
    74,284.49/111,413.81 = 34,300.08/x
  3. Step 3: Cross multiply
    74,284.49x = 111,413.81 × 34,300.08
  4. Step 4: Simplify right side
    74,284.49x = 3,821,502,681.86
  5. Step 5: Solve for x
    x = 3,821,502,681.86/74,284.49
  6. Step 6: Final answer
    x = 51,444.15

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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.