Home / 69,490.08-95,664.36-66,316.32

Finding the Fourth Proportional to 69,490.08, 95,664.36 and 66,316.32

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Solution

The fourth proportional to 69,490.08, 95,664.36 and 66,316.32 is: 91,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,490.08 : 95,664.36 = 66,316.32 : x
  2. Step 2: Convert to fraction form
    69,490.08/95,664.36 = 66,316.32/x
  3. Step 3: Cross multiply
    69,490.08x = 95,664.36 × 66,316.32
  4. Step 4: Simplify right side
    69,490.08x = 6,344,108,310.36
  5. Step 5: Solve for x
    x = 6,344,108,310.36/69,490.08
  6. Step 6: Final answer
    x = 91,295.16

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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.