Home / 71,507.09-98,688.56-41,292.36

Finding the Fourth Proportional to 71,507.09, 98,688.56 and 41,292.36

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Solution

The fourth proportional to 71,507.09, 98,688.56 and 41,292.36 is: 56,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,507.09 : 98,688.56 = 41,292.36 : x
  2. Step 2: Convert to fraction form
    71,507.09/98,688.56 = 41,292.36/x
  3. Step 3: Cross multiply
    71,507.09x = 98,688.56 × 41,292.36
  4. Step 4: Simplify right side
    71,507.09x = 4,075,083,340.94
  5. Step 5: Solve for x
    x = 4,075,083,340.94/71,507.09
  6. Step 6: Final answer
    x = 56,988.52

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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.