Home / 93,076.98-128,445.62-50,635.68

Finding the Fourth Proportional to 93,076.98, 128,445.62 and 50,635.68

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Solution

The fourth proportional to 93,076.98, 128,445.62 and 50,635.68 is: 69,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,076.98 : 128,445.62 = 50,635.68 : x
  2. Step 2: Convert to fraction form
    93,076.98/128,445.62 = 50,635.68/x
  3. Step 3: Cross multiply
    93,076.98x = 128,445.62 × 50,635.68
  4. Step 4: Simplify right side
    93,076.98x = 6,503,931,311.72
  5. Step 5: Solve for x
    x = 6,503,931,311.72/93,076.98
  6. Step 6: Final answer
    x = 69,876.91

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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.