Home / 93,292.12-139,392.19-90,025.56

Finding the Fourth Proportional to 93,292.12, 139,392.19 and 90,025.56

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Solution

The fourth proportional to 93,292.12, 139,392.19 and 90,025.56 is: 134,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,292.12 : 139,392.19 = 90,025.56 : x
  2. Step 2: Convert to fraction form
    93,292.12/139,392.19 = 90,025.56/x
  3. Step 3: Cross multiply
    93,292.12x = 139,392.19 × 90,025.56
  4. Step 4: Simplify right side
    93,292.12x = 12,548,859,964.38
  5. Step 5: Solve for x
    x = 12,548,859,964.38/93,292.12
  6. Step 6: Final answer
    x = 134,511.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.