Home / 57,603.02-86,413.62-20,162.18

Finding the Fourth Proportional to 57,603.02, 86,413.62 and 20,162.18

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Solution

The fourth proportional to 57,603.02, 86,413.62 and 20,162.18 is: 30,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603.02 : 86,413.62 = 20,162.18 : x
  2. Step 2: Convert to fraction form
    57,603.02/86,413.62 = 20,162.18/x
  3. Step 3: Cross multiply
    57,603.02x = 86,413.62 × 20,162.18
  4. Step 4: Simplify right side
    57,603.02x = 1,742,286,960.89
  5. Step 5: Solve for x
    x = 1,742,286,960.89/57,603.02
  6. Step 6: Final answer
    x = 30,246.45

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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.