Home / 79,942.08-110,300.16-58,683.84

Finding the Fourth Proportional to 79,942.08, 110,300.16 and 58,683.84

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Solution

The fourth proportional to 79,942.08, 110,300.16 and 58,683.84 is: 80,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,942.08 : 110,300.16 = 58,683.84 : x
  2. Step 2: Convert to fraction form
    79,942.08/110,300.16 = 58,683.84/x
  3. Step 3: Cross multiply
    79,942.08x = 110,300.16 × 58,683.84
  4. Step 4: Simplify right side
    79,942.08x = 6,472,836,941.41
  5. Step 5: Solve for x
    x = 6,472,836,941.41/79,942.08
  6. Step 6: Final answer
    x = 80,969.08

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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.