Home / 93,885.84-129,558.60-51,443.28

Finding the Fourth Proportional to 93,885.84, 129,558.60 and 51,443.28

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Solution

The fourth proportional to 93,885.84, 129,558.60 and 51,443.28 is: 70,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,885.84 : 129,558.60 = 51,443.28 : x
  2. Step 2: Convert to fraction form
    93,885.84/129,558.60 = 51,443.28/x
  3. Step 3: Cross multiply
    93,885.84x = 129,558.60 × 51,443.28
  4. Step 4: Simplify right side
    93,885.84x = 6,664,919,336.21
  5. Step 5: Solve for x
    x = 6,664,919,336.21/93,885.84
  6. Step 6: Final answer
    x = 70,989.61

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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.