Home / 69,963.12-96,525-48,734.64

Finding the Fourth Proportional to 69,963.12, 96,525 and 48,734.64

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Solution

The fourth proportional to 69,963.12, 96,525 and 48,734.64 is: 67,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963.12 : 96,525 = 48,734.64 : x
  2. Step 2: Convert to fraction form
    69,963.12/96,525 = 48,734.64/x
  3. Step 3: Cross multiply
    69,963.12x = 96,525 × 48,734.64
  4. Step 4: Simplify right side
    69,963.12x = 4,704,111,126
  5. Step 5: Solve for x
    x = 4,704,111,126/69,963.12
  6. Step 6: Final answer
    x = 67,237.01

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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.