Home / 104,635.38-144,323.72-68,813.94

Finding the Fourth Proportional to 104,635.38, 144,323.72 and 68,813.94

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Solution

The fourth proportional to 104,635.38, 144,323.72 and 68,813.94 is: 94,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.38 : 144,323.72 = 68,813.94 : x
  2. Step 2: Convert to fraction form
    104,635.38/144,323.72 = 68,813.94/x
  3. Step 3: Cross multiply
    104,635.38x = 144,323.72 × 68,813.94
  4. Step 4: Simplify right side
    104,635.38x = 9,931,483,808.66
  5. Step 5: Solve for x
    x = 9,931,483,808.66/104,635.38
  6. Step 6: Final answer
    x = 94,915.16

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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.