Home / 70,413.38-97,170.48-42,125.75

Finding the Fourth Proportional to 70,413.38, 97,170.48 and 42,125.75

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Solution

The fourth proportional to 70,413.38, 97,170.48 and 42,125.75 is: 58,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,413.38 : 97,170.48 = 42,125.75 : x
  2. Step 2: Convert to fraction form
    70,413.38/97,170.48 = 42,125.75/x
  3. Step 3: Cross multiply
    70,413.38x = 97,170.48 × 42,125.75
  4. Step 4: Simplify right side
    70,413.38x = 4,093,378,862.01
  5. Step 5: Solve for x
    x = 4,093,378,862.01/70,413.38
  6. Step 6: Final answer
    x = 58,133.54

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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.