Home / 92,758.08-138,021.36-92,447.04

Finding the Fourth Proportional to 92,758.08, 138,021.36 and 92,447.04

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Solution

The fourth proportional to 92,758.08, 138,021.36 and 92,447.04 is: 137,558.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,758.08 : 138,021.36 = 92,447.04 : x
  2. Step 2: Convert to fraction form
    92,758.08/138,021.36 = 92,447.04/x
  3. Step 3: Cross multiply
    92,758.08x = 138,021.36 × 92,447.04
  4. Step 4: Simplify right side
    92,758.08x = 12,759,666,188.77
  5. Step 5: Solve for x
    x = 12,759,666,188.77/92,758.08
  6. Step 6: Final answer
    x = 137,558.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.