Home / 88,176.29-121,684.16-47,890.44

Finding the Fourth Proportional to 88,176.29, 121,684.16 and 47,890.44

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Solution

The fourth proportional to 88,176.29, 121,684.16 and 47,890.44 is: 66,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.29 : 121,684.16 = 47,890.44 : x
  2. Step 2: Convert to fraction form
    88,176.29/121,684.16 = 47,890.44/x
  3. Step 3: Cross multiply
    88,176.29x = 121,684.16 × 47,890.44
  4. Step 4: Simplify right side
    88,176.29x = 5,827,507,115.56
  5. Step 5: Solve for x
    x = 5,827,507,115.56/88,176.29
  6. Step 6: Final answer
    x = 66,089.28

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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.