Home / 93,225.16-128,650.06-50,783.69

Finding the Fourth Proportional to 93,225.16, 128,650.06 and 50,783.69

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Solution

The fourth proportional to 93,225.16, 128,650.06 and 50,783.69 is: 70,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.16 : 128,650.06 = 50,783.69 : x
  2. Step 2: Convert to fraction form
    93,225.16/128,650.06 = 50,783.69/x
  3. Step 3: Cross multiply
    93,225.16x = 128,650.06 × 50,783.69
  4. Step 4: Simplify right side
    93,225.16x = 6,533,324,765.52
  5. Step 5: Solve for x
    x = 6,533,324,765.52/93,225.16
  6. Step 6: Final answer
    x = 70,081.13

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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.