Home / 127,699.08-191,354.22-61,047.60

Finding the Fourth Proportional to 127,699.08, 191,354.22 and 61,047.60

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Solution

The fourth proportional to 127,699.08, 191,354.22 and 61,047.60 is: 91,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.08 : 191,354.22 = 61,047.60 : x
  2. Step 2: Convert to fraction form
    127,699.08/191,354.22 = 61,047.60/x
  3. Step 3: Cross multiply
    127,699.08x = 191,354.22 × 61,047.60
  4. Step 4: Simplify right side
    127,699.08x = 11,681,715,880.87
  5. Step 5: Solve for x
    x = 11,681,715,880.87/127,699.08
  6. Step 6: Final answer
    x = 91,478.47

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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.