Home / 93,145.36-128,537.32-50,702.98

Finding the Fourth Proportional to 93,145.36, 128,537.32 and 50,702.98

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Solution

The fourth proportional to 93,145.36, 128,537.32 and 50,702.98 is: 69,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.36 : 128,537.32 = 50,702.98 : x
  2. Step 2: Convert to fraction form
    93,145.36/128,537.32 = 50,702.98/x
  3. Step 3: Cross multiply
    93,145.36x = 128,537.32 × 50,702.98
  4. Step 4: Simplify right side
    93,145.36x = 6,517,225,165.21
  5. Step 5: Solve for x
    x = 6,517,225,165.21/93,145.36
  6. Step 6: Final answer
    x = 69,968.33

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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.