Home / 69,616.48-104,424.72-66,642.16

Finding the Fourth Proportional to 69,616.48, 104,424.72 and 66,642.16

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Solution

The fourth proportional to 69,616.48, 104,424.72 and 66,642.16 is: 99,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.48 : 104,424.72 = 66,642.16 : x
  2. Step 2: Convert to fraction form
    69,616.48/104,424.72 = 66,642.16/x
  3. Step 3: Cross multiply
    69,616.48x = 104,424.72 × 66,642.16
  4. Step 4: Simplify right side
    69,616.48x = 6,959,088,898.20
  5. Step 5: Solve for x
    x = 6,959,088,898.20/69,616.48
  6. Step 6: Final answer
    x = 99,963.24

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1.5x scale

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.