Home / 76,413.16-114,541.98-70,756.12

Finding the Fourth Proportional to 76,413.16, 114,541.98 and 70,756.12

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Solution

The fourth proportional to 76,413.16, 114,541.98 and 70,756.12 is: 106,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,413.16 : 114,541.98 = 70,756.12 : x
  2. Step 2: Convert to fraction form
    76,413.16/114,541.98 = 70,756.12/x
  3. Step 3: Cross multiply
    76,413.16x = 114,541.98 × 70,756.12
  4. Step 4: Simplify right side
    76,413.16x = 8,104,546,081.92
  5. Step 5: Solve for x
    x = 8,104,546,081.92/76,413.16
  6. Step 6: Final answer
    x = 106,062.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.