Home / 96,989.28-145,486.35-26,868.39

Finding the Fourth Proportional to 96,989.28, 145,486.35 and 26,868.39

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Solution

The fourth proportional to 96,989.28, 145,486.35 and 26,868.39 is: 40,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.28 : 145,486.35 = 26,868.39 : x
  2. Step 2: Convert to fraction form
    96,989.28/145,486.35 = 26,868.39/x
  3. Step 3: Cross multiply
    96,989.28x = 145,486.35 × 26,868.39
  4. Step 4: Simplify right side
    96,989.28x = 3,908,983,991.48
  5. Step 5: Solve for x
    x = 3,908,983,991.48/96,989.28
  6. Step 6: Final answer
    x = 40,303.26

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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.