Home / 93,251.30-128,636.25-55,518.26

Finding the Fourth Proportional to 93,251.30, 128,636.25 and 55,518.26

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Solution

The fourth proportional to 93,251.30, 128,636.25 and 55,518.26 is: 76,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,251.30 : 128,636.25 = 55,518.26 : x
  2. Step 2: Convert to fraction form
    93,251.30/128,636.25 = 55,518.26/x
  3. Step 3: Cross multiply
    93,251.30x = 128,636.25 × 55,518.26
  4. Step 4: Simplify right side
    93,251.30x = 7,141,660,772.93
  5. Step 5: Solve for x
    x = 7,141,660,772.93/93,251.30
  6. Step 6: Final answer
    x = 76,585.11

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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.