Home / 71,413.37-98,482.47-42,728.44

Finding the Fourth Proportional to 71,413.37, 98,482.47 and 42,728.44

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Solution

The fourth proportional to 71,413.37, 98,482.47 and 42,728.44 is: 58,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,413.37 : 98,482.47 = 42,728.44 : x
  2. Step 2: Convert to fraction form
    71,413.37/98,482.47 = 42,728.44/x
  3. Step 3: Cross multiply
    71,413.37x = 98,482.47 × 42,728.44
  4. Step 4: Simplify right side
    71,413.37x = 4,208,001,818.03
  5. Step 5: Solve for x
    x = 4,208,001,818.03/71,413.37
  6. Step 6: Final answer
    x = 58,924.57

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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.