Home / 85,487.02-128,267.44-46,036.27

Finding the Fourth Proportional to 85,487.02, 128,267.44 and 46,036.27

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Solution

The fourth proportional to 85,487.02, 128,267.44 and 46,036.27 is: 69,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,487.02 : 128,267.44 = 46,036.27 : x
  2. Step 2: Convert to fraction form
    85,487.02/128,267.44 = 46,036.27/x
  3. Step 3: Cross multiply
    85,487.02x = 128,267.44 × 46,036.27
  4. Step 4: Simplify right side
    85,487.02x = 5,904,954,500.05
  5. Step 5: Solve for x
    x = 5,904,954,500.05/85,487.02
  6. Step 6: Final answer
    x = 69,074.28

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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.