Home / 68,360.16-94,339.44-40,064.16

Finding the Fourth Proportional to 68,360.16, 94,339.44 and 40,064.16

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Solution

The fourth proportional to 68,360.16, 94,339.44 and 40,064.16 is: 55,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,360.16 : 94,339.44 = 40,064.16 : x
  2. Step 2: Convert to fraction form
    68,360.16/94,339.44 = 40,064.16/x
  3. Step 3: Cross multiply
    68,360.16x = 94,339.44 × 40,064.16
  4. Step 4: Simplify right side
    68,360.16x = 3,779,630,418.47
  5. Step 5: Solve for x
    x = 3,779,630,418.47/68,360.16
  6. Step 6: Final answer
    x = 55,289.96

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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.