Home / 88,629.12-122,308.08-48,885.12

Finding the Fourth Proportional to 88,629.12, 122,308.08 and 48,885.12

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Solution

The fourth proportional to 88,629.12, 122,308.08 and 48,885.12 is: 67,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.12 : 122,308.08 = 48,885.12 : x
  2. Step 2: Convert to fraction form
    88,629.12/122,308.08 = 48,885.12/x
  3. Step 3: Cross multiply
    88,629.12x = 122,308.08 × 48,885.12
  4. Step 4: Simplify right side
    88,629.12x = 5,979,045,167.77
  5. Step 5: Solve for x
    x = 5,979,045,167.77/88,629.12
  6. Step 6: Final answer
    x = 67,461.41

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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.