Home / 94,907.75-130,969.04-56,673.72

Finding the Fourth Proportional to 94,907.75, 130,969.04 and 56,673.72

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Solution

The fourth proportional to 94,907.75, 130,969.04 and 56,673.72 is: 78,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,907.75 : 130,969.04 = 56,673.72 : x
  2. Step 2: Convert to fraction form
    94,907.75/130,969.04 = 56,673.72/x
  3. Step 3: Cross multiply
    94,907.75x = 130,969.04 × 56,673.72
  4. Step 4: Simplify right side
    94,907.75x = 7,422,502,418.26
  5. Step 5: Solve for x
    x = 7,422,502,418.26/94,907.75
  6. Step 6: Final answer
    x = 78,207.55

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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.