Home / 48,664.02-72,986.25-13,603.98

Finding the Fourth Proportional to 48,664.02, 72,986.25 and 13,603.98

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Solution

The fourth proportional to 48,664.02, 72,986.25 and 13,603.98 is: 20,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.02 : 72,986.25 = 13,603.98 : x
  2. Step 2: Convert to fraction form
    48,664.02/72,986.25 = 13,603.98/x
  3. Step 3: Cross multiply
    48,664.02x = 72,986.25 × 13,603.98
  4. Step 4: Simplify right side
    48,664.02x = 992,903,485.28
  5. Step 5: Solve for x
    x = 992,903,485.28/48,664.02
  6. Step 6: Final answer
    x = 20,403.24

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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.