Home / 101,733.40-140,393.78-56,413.30

Finding the Fourth Proportional to 101,733.40, 140,393.78 and 56,413.30

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Solution

The fourth proportional to 101,733.40, 140,393.78 and 56,413.30 is: 77,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,733.40 : 140,393.78 = 56,413.30 : x
  2. Step 2: Convert to fraction form
    101,733.40/140,393.78 = 56,413.30/x
  3. Step 3: Cross multiply
    101,733.40x = 140,393.78 × 56,413.30
  4. Step 4: Simplify right side
    101,733.40x = 7,920,076,429.27
  5. Step 5: Solve for x
    x = 7,920,076,429.27/101,733.40
  6. Step 6: Final answer
    x = 77,851.29

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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.