Home / 93,942.08-129,638.58-51,500.90

Finding the Fourth Proportional to 93,942.08, 129,638.58 and 51,500.90

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Solution

The fourth proportional to 93,942.08, 129,638.58 and 51,500.90 is: 71,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,942.08 : 129,638.58 = 51,500.90 : x
  2. Step 2: Convert to fraction form
    93,942.08/129,638.58 = 51,500.90/x
  3. Step 3: Cross multiply
    93,942.08x = 129,638.58 × 51,500.90
  4. Step 4: Simplify right side
    93,942.08x = 6,676,503,544.72
  5. Step 5: Solve for x
    x = 6,676,503,544.72/93,942.08
  6. Step 6: Final answer
    x = 71,070.42

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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.