Home / 88,169.31-121,670.19-47,882.16

Finding the Fourth Proportional to 88,169.31, 121,670.19 and 47,882.16

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Solution

The fourth proportional to 88,169.31, 121,670.19 and 47,882.16 is: 66,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.31 : 121,670.19 = 47,882.16 : x
  2. Step 2: Convert to fraction form
    88,169.31/121,670.19 = 47,882.16/x
  3. Step 3: Cross multiply
    88,169.31x = 121,670.19 × 47,882.16
  4. Step 4: Simplify right side
    88,169.31x = 5,825,831,504.81
  5. Step 5: Solve for x
    x = 5,825,831,504.81/88,169.31
  6. Step 6: Final answer
    x = 66,075.50

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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.