Home / 93,091.42-128,462.34-50,649.97

Finding the Fourth Proportional to 93,091.42, 128,462.34 and 50,649.97

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Solution

The fourth proportional to 93,091.42, 128,462.34 and 50,649.97 is: 69,894.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,091.42 : 128,462.34 = 50,649.97 : x
  2. Step 2: Convert to fraction form
    93,091.42/128,462.34 = 50,649.97/x
  3. Step 3: Cross multiply
    93,091.42x = 128,462.34 × 50,649.97
  4. Step 4: Simplify right side
    93,091.42x = 6,506,613,667.13
  5. Step 5: Solve for x
    x = 6,506,613,667.13/93,091.42
  6. Step 6: Final answer
    x = 69,894.88

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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.