Home / 93,055.08-128,412.32-50,613.64

Finding the Fourth Proportional to 93,055.08, 128,412.32 and 50,613.64

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Solution

The fourth proportional to 93,055.08, 128,412.32 and 50,613.64 is: 69,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,055.08 : 128,412.32 = 50,613.64 : x
  2. Step 2: Convert to fraction form
    93,055.08/128,412.32 = 50,613.64/x
  3. Step 3: Cross multiply
    93,055.08x = 128,412.32 × 50,613.64
  4. Step 4: Simplify right side
    93,055.08x = 6,499,414,936.04
  5. Step 5: Solve for x
    x = 6,499,414,936.04/93,055.08
  6. Step 6: Final answer
    x = 69,844.82

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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.