Home / 93,412.09-128,907.62-50,971.33

Finding the Fourth Proportional to 93,412.09, 128,907.62 and 50,971.33

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Solution

The fourth proportional to 93,412.09, 128,907.62 and 50,971.33 is: 70,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,412.09 : 128,907.62 = 50,971.33 : x
  2. Step 2: Convert to fraction form
    93,412.09/128,907.62 = 50,971.33/x
  3. Step 3: Cross multiply
    93,412.09x = 128,907.62 × 50,971.33
  4. Step 4: Simplify right side
    93,412.09x = 6,570,592,583.68
  5. Step 5: Solve for x
    x = 6,570,592,583.68/93,412.09
  6. Step 6: Final answer
    x = 70,339.85

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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.