Home / 93,146.22-128,538.06-50,704.77

Finding the Fourth Proportional to 93,146.22, 128,538.06 and 50,704.77

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Solution

The fourth proportional to 93,146.22, 128,538.06 and 50,704.77 is: 69,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,146.22 : 128,538.06 = 50,704.77 : x
  2. Step 2: Convert to fraction form
    93,146.22/128,538.06 = 50,704.77/x
  3. Step 3: Cross multiply
    93,146.22x = 128,538.06 × 50,704.77
  4. Step 4: Simplify right side
    93,146.22x = 6,517,492,768.55
  5. Step 5: Solve for x
    x = 6,517,492,768.55/93,146.22
  6. Step 6: Final answer
    x = 69,970.56

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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.