Home / 85,484.02-128,262.94-46,033.27

Finding the Fourth Proportional to 85,484.02, 128,262.94 and 46,033.27

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Solution

The fourth proportional to 85,484.02, 128,262.94 and 46,033.27 is: 69,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,484.02 : 128,262.94 = 46,033.27 : x
  2. Step 2: Convert to fraction form
    85,484.02/128,262.94 = 46,033.27/x
  3. Step 3: Cross multiply
    85,484.02x = 128,262.94 × 46,033.27
  4. Step 4: Simplify right side
    85,484.02x = 5,904,362,833.75
  5. Step 5: Solve for x
    x = 5,904,362,833.75/85,484.02
  6. Step 6: Final answer
    x = 69,069.78

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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.