Home / 68,784.15-94,941.81-40,506.24

Finding the Fourth Proportional to 68,784.15, 94,941.81 and 40,506.24

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Solution

The fourth proportional to 68,784.15, 94,941.81 and 40,506.24 is: 55,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.15 : 94,941.81 = 40,506.24 : x
  2. Step 2: Convert to fraction form
    68,784.15/94,941.81 = 40,506.24/x
  3. Step 3: Cross multiply
    68,784.15x = 94,941.81 × 40,506.24
  4. Step 4: Simplify right side
    68,784.15x = 3,845,735,741.89
  5. Step 5: Solve for x
    x = 3,845,735,741.89/68,784.15
  6. Step 6: Final answer
    x = 55,910.20

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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.