Home / 93,149.08-128,546.22-50,707.96

Finding the Fourth Proportional to 93,149.08, 128,546.22 and 50,707.96

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Solution

The fourth proportional to 93,149.08, 128,546.22 and 50,707.96 is: 69,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,149.08 : 128,546.22 = 50,707.96 : x
  2. Step 2: Convert to fraction form
    93,149.08/128,546.22 = 50,707.96/x
  3. Step 3: Cross multiply
    93,149.08x = 128,546.22 × 50,707.96
  4. Step 4: Simplify right side
    93,149.08x = 6,518,316,581.91
  5. Step 5: Solve for x
    x = 6,518,316,581.91/93,149.08
  6. Step 6: Final answer
    x = 69,977.25

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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.