Home / 96,648.81-145,029.71-40,484.15

Finding the Fourth Proportional to 96,648.81, 145,029.71 and 40,484.15

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Solution

The fourth proportional to 96,648.81, 145,029.71 and 40,484.15 is: 60,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,648.81 : 145,029.71 = 40,484.15 : x
  2. Step 2: Convert to fraction form
    96,648.81/145,029.71 = 40,484.15/x
  3. Step 3: Cross multiply
    96,648.81x = 145,029.71 × 40,484.15
  4. Step 4: Simplify right side
    96,648.81x = 5,871,403,606.53
  5. Step 5: Solve for x
    x = 5,871,403,606.53/96,648.81
  6. Step 6: Final answer
    x = 60,749.88

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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.