Home / 93,251.32-128,688.26-50,809.80

Finding the Fourth Proportional to 93,251.32, 128,688.26 and 50,809.80

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Solution

The fourth proportional to 93,251.32, 128,688.26 and 50,809.80 is: 70,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,251.32 : 128,688.26 = 50,809.80 : x
  2. Step 2: Convert to fraction form
    93,251.32/128,688.26 = 50,809.80/x
  3. Step 3: Cross multiply
    93,251.32x = 128,688.26 × 50,809.80
  4. Step 4: Simplify right side
    93,251.32x = 6,538,624,752.95
  5. Step 5: Solve for x
    x = 6,538,624,752.95/93,251.32
  6. Step 6: Final answer
    x = 70,118.31

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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.