Home / 104,940.90-157,457.88-55,009.08

Finding the Fourth Proportional to 104,940.90, 157,457.88 and 55,009.08

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Solution

The fourth proportional to 104,940.90, 157,457.88 and 55,009.08 is: 82,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.90 : 157,457.88 = 55,009.08 : x
  2. Step 2: Convert to fraction form
    104,940.90/157,457.88 = 55,009.08/x
  3. Step 3: Cross multiply
    104,940.90x = 157,457.88 × 55,009.08
  4. Step 4: Simplify right side
    104,940.90x = 8,661,613,117.55
  5. Step 5: Solve for x
    x = 8,661,613,117.55/104,940.90
  6. Step 6: Final answer
    x = 82,538.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.