Home / 93,724.08-129,339.09-51,282.60

Finding the Fourth Proportional to 93,724.08, 129,339.09 and 51,282.60

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Solution

The fourth proportional to 93,724.08, 129,339.09 and 51,282.60 is: 70,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,724.08 : 129,339.09 = 51,282.60 : x
  2. Step 2: Convert to fraction form
    93,724.08/129,339.09 = 51,282.60/x
  3. Step 3: Cross multiply
    93,724.08x = 129,339.09 × 51,282.60
  4. Step 4: Simplify right side
    93,724.08x = 6,632,844,816.83
  5. Step 5: Solve for x
    x = 6,632,844,816.83/93,724.08
  6. Step 6: Final answer
    x = 70,769.91

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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.