Home / 79,413.67-109,590.09-43,603.36

Finding the Fourth Proportional to 79,413.67, 109,590.09 and 43,603.36

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Solution

The fourth proportional to 79,413.67, 109,590.09 and 43,603.36 is: 60,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,413.67 : 109,590.09 = 43,603.36 : x
  2. Step 2: Convert to fraction form
    79,413.67/109,590.09 = 43,603.36/x
  3. Step 3: Cross multiply
    79,413.67x = 109,590.09 × 43,603.36
  4. Step 4: Simplify right side
    79,413.67x = 4,778,495,598.75
  5. Step 5: Solve for x
    x = 4,778,495,598.75/79,413.67
  6. Step 6: Final answer
    x = 60,172.21

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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.