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Finding the Fourth Proportional to 80,335.40, 110,837.50 and 46,339.32

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Solution

The fourth proportional to 80,335.40, 110,837.50 and 46,339.32 is: 63,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,335.40 : 110,837.50 = 46,339.32 : x
  2. Step 2: Convert to fraction form
    80,335.40/110,837.50 = 46,339.32/x
  3. Step 3: Cross multiply
    80,335.40x = 110,837.50 × 46,339.32
  4. Step 4: Simplify right side
    80,335.40x = 5,136,134,380.50
  5. Step 5: Solve for x
    x = 5,136,134,380.50/80,335.40
  6. Step 6: Final answer
    x = 63,933.64

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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.