Home / 93,515.32-140,274.10-31,185.80

Finding the Fourth Proportional to 93,515.32, 140,274.10 and 31,185.80

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Solution

The fourth proportional to 93,515.32, 140,274.10 and 31,185.80 is: 46,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,515.32 : 140,274.10 = 31,185.80 : x
  2. Step 2: Convert to fraction form
    93,515.32/140,274.10 = 31,185.80/x
  3. Step 3: Cross multiply
    93,515.32x = 140,274.10 × 31,185.80
  4. Step 4: Simplify right side
    93,515.32x = 4,374,560,027.78
  5. Step 5: Solve for x
    x = 4,374,560,027.78/93,515.32
  6. Step 6: Final answer
    x = 46,779.07

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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.