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Finding the Fourth Proportional to 85,033.65, 117,347.52 and 46,797.60

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Solution

The fourth proportional to 85,033.65, 117,347.52 and 46,797.60 is: 64,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,033.65 : 117,347.52 = 46,797.60 : x
  2. Step 2: Convert to fraction form
    85,033.65/117,347.52 = 46,797.60/x
  3. Step 3: Cross multiply
    85,033.65x = 117,347.52 × 46,797.60
  4. Step 4: Simplify right side
    85,033.65x = 5,491,582,301.95
  5. Step 5: Solve for x
    x = 5,491,582,301.95/85,033.65
  6. Step 6: Final answer
    x = 64,581.28

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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.