Home / 58,413.02-87,777.81-31,778.69

Finding the Fourth Proportional to 58,413.02, 87,777.81 and 31,778.69

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Solution

The fourth proportional to 58,413.02, 87,777.81 and 31,778.69 is: 47,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,413.02 : 87,777.81 = 31,778.69 : x
  2. Step 2: Convert to fraction form
    58,413.02/87,777.81 = 31,778.69/x
  3. Step 3: Cross multiply
    58,413.02x = 87,777.81 × 31,778.69
  4. Step 4: Simplify right side
    58,413.02x = 2,789,463,373.98
  5. Step 5: Solve for x
    x = 2,789,463,373.98/58,413.02
  6. Step 6: Final answer
    x = 47,754.14

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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.