Home / 69,120.02-103,709.19-63,603.32

Finding the Fourth Proportional to 69,120.02, 103,709.19 and 63,603.32

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Solution

The fourth proportional to 69,120.02, 103,709.19 and 63,603.32 is: 95,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120.02 : 103,709.19 = 63,603.32 : x
  2. Step 2: Convert to fraction form
    69,120.02/103,709.19 = 63,603.32/x
  3. Step 3: Cross multiply
    69,120.02x = 103,709.19 × 63,603.32
  4. Step 4: Simplify right side
    69,120.02x = 6,596,248,279.96
  5. Step 5: Solve for x
    x = 6,596,248,279.96/69,120.02
  6. Step 6: Final answer
    x = 95,431.81

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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.