Home / 93,339.18-128,807.55-50,896.80

Finding the Fourth Proportional to 93,339.18, 128,807.55 and 50,896.80

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Solution

The fourth proportional to 93,339.18, 128,807.55 and 50,896.80 is: 70,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339.18 : 128,807.55 = 50,896.80 : x
  2. Step 2: Convert to fraction form
    93,339.18/128,807.55 = 50,896.80/x
  3. Step 3: Cross multiply
    93,339.18x = 128,807.55 × 50,896.80
  4. Step 4: Simplify right side
    93,339.18x = 6,555,892,110.84
  5. Step 5: Solve for x
    x = 6,555,892,110.84/93,339.18
  6. Step 6: Final answer
    x = 70,237.30

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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.