Home / 93,144.11-128,538.23-50,702.54

Finding the Fourth Proportional to 93,144.11, 128,538.23 and 50,702.54

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Solution

The fourth proportional to 93,144.11, 128,538.23 and 50,702.54 is: 69,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.11 : 128,538.23 = 50,702.54 : x
  2. Step 2: Convert to fraction form
    93,144.11/128,538.23 = 50,702.54/x
  3. Step 3: Cross multiply
    93,144.11x = 128,538.23 × 50,702.54
  4. Step 4: Simplify right side
    93,144.11x = 6,517,213,851.90
  5. Step 5: Solve for x
    x = 6,517,213,851.90/93,144.11
  6. Step 6: Final answer
    x = 69,969.15

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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.