Home / 96,871.50-145,301.85-30,303.81

Finding the Fourth Proportional to 96,871.50, 145,301.85 and 30,303.81

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Solution

The fourth proportional to 96,871.50, 145,301.85 and 30,303.81 is: 45,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,871.50 : 145,301.85 = 30,303.81 : x
  2. Step 2: Convert to fraction form
    96,871.50/145,301.85 = 30,303.81/x
  3. Step 3: Cross multiply
    96,871.50x = 145,301.85 × 30,303.81
  4. Step 4: Simplify right side
    96,871.50x = 4,403,199,655.05
  5. Step 5: Solve for x
    x = 4,403,199,655.05/96,871.50
  6. Step 6: Final answer
    x = 45,454.03

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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.