Home / 124,146.08-171,308.56-70,413.92

Finding the Fourth Proportional to 124,146.08, 171,308.56 and 70,413.92

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Solution

The fourth proportional to 124,146.08, 171,308.56 and 70,413.92 is: 97,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,146.08 : 171,308.56 = 70,413.92 : x
  2. Step 2: Convert to fraction form
    124,146.08/171,308.56 = 70,413.92/x
  3. Step 3: Cross multiply
    124,146.08x = 171,308.56 × 70,413.92
  4. Step 4: Simplify right side
    124,146.08x = 12,062,507,239.16
  5. Step 5: Solve for x
    x = 12,062,507,239.16/124,146.08
  6. Step 6: Final answer
    x = 97,163.82

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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.