Home / 71,267.04-98,352.36-39,437.28

Finding the Fourth Proportional to 71,267.04, 98,352.36 and 39,437.28

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Solution

The fourth proportional to 71,267.04, 98,352.36 and 39,437.28 is: 54,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,267.04 : 98,352.36 = 39,437.28 : x
  2. Step 2: Convert to fraction form
    71,267.04/98,352.36 = 39,437.28/x
  3. Step 3: Cross multiply
    71,267.04x = 98,352.36 × 39,437.28
  4. Step 4: Simplify right side
    71,267.04x = 3,878,749,559.98
  5. Step 5: Solve for x
    x = 3,878,749,559.98/71,267.04
  6. Step 6: Final answer
    x = 54,425.57

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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.