Home / 69,328.77-95,665.47-39,112.32

Finding the Fourth Proportional to 69,328.77, 95,665.47 and 39,112.32

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Solution

The fourth proportional to 69,328.77, 95,665.47 and 39,112.32 is: 53,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328.77 : 95,665.47 = 39,112.32 : x
  2. Step 2: Convert to fraction form
    69,328.77/95,665.47 = 39,112.32/x
  3. Step 3: Cross multiply
    69,328.77x = 95,665.47 × 39,112.32
  4. Step 4: Simplify right side
    69,328.77x = 3,741,698,475.59
  5. Step 5: Solve for x
    x = 3,741,698,475.59/69,328.77
  6. Step 6: Final answer
    x = 53,970.36

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1.5x scale

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.