Home / 93,181.43-128,590.53-50,740.13

Finding the Fourth Proportional to 93,181.43, 128,590.53 and 50,740.13

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Solution

The fourth proportional to 93,181.43, 128,590.53 and 50,740.13 is: 70,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,181.43 : 128,590.53 = 50,740.13 : x
  2. Step 2: Convert to fraction form
    93,181.43/128,590.53 = 50,740.13/x
  3. Step 3: Cross multiply
    93,181.43x = 128,590.53 × 50,740.13
  4. Step 4: Simplify right side
    93,181.43x = 6,524,700,208.97
  5. Step 5: Solve for x
    x = 6,524,700,208.97/93,181.43
  6. Step 6: Final answer
    x = 70,021.46

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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.