Home / 88,197.16-121,641.64-58,013.44

Finding the Fourth Proportional to 88,197.16, 121,641.64 and 58,013.44

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Solution

The fourth proportional to 88,197.16, 121,641.64 and 58,013.44 is: 80,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,197.16 : 121,641.64 = 58,013.44 : x
  2. Step 2: Convert to fraction form
    88,197.16/121,641.64 = 58,013.44/x
  3. Step 3: Cross multiply
    88,197.16x = 121,641.64 × 58,013.44
  4. Step 4: Simplify right side
    88,197.16x = 7,056,849,983.64
  5. Step 5: Solve for x
    x = 7,056,849,983.64/88,197.16
  6. Step 6: Final answer
    x = 80,012.21

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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.