Home / 90,413.67-124,771.34-52,174.81

Finding the Fourth Proportional to 90,413.67, 124,771.34 and 52,174.81

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Solution

The fourth proportional to 90,413.67, 124,771.34 and 52,174.81 is: 72,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,413.67 : 124,771.34 = 52,174.81 : x
  2. Step 2: Convert to fraction form
    90,413.67/124,771.34 = 52,174.81/x
  3. Step 3: Cross multiply
    90,413.67x = 124,771.34 × 52,174.81
  4. Step 4: Simplify right side
    90,413.67x = 6,509,920,957.95
  5. Step 5: Solve for x
    x = 6,509,920,957.95/90,413.67
  6. Step 6: Final answer
    x = 72,001.51

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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.