Home / 112,548.64-168,823.25-45,988.77

Finding the Fourth Proportional to 112,548.64, 168,823.25 and 45,988.77

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Solution

The fourth proportional to 112,548.64, 168,823.25 and 45,988.77 is: 68,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,548.64 : 168,823.25 = 45,988.77 : x
  2. Step 2: Convert to fraction form
    112,548.64/168,823.25 = 45,988.77/x
  3. Step 3: Cross multiply
    112,548.64x = 168,823.25 × 45,988.77
  4. Step 4: Simplify right side
    112,548.64x = 7,763,972,962.90
  5. Step 5: Solve for x
    x = 7,763,972,962.90/112,548.64
  6. Step 6: Final answer
    x = 68,983.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.