Home / 96,703.24-145,030.22-30,130.96

Finding the Fourth Proportional to 96,703.24, 145,030.22 and 30,130.96

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Solution

The fourth proportional to 96,703.24, 145,030.22 and 30,130.96 is: 45,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,703.24 : 145,030.22 = 30,130.96 : x
  2. Step 2: Convert to fraction form
    96,703.24/145,030.22 = 30,130.96/x
  3. Step 3: Cross multiply
    96,703.24x = 145,030.22 × 30,130.96
  4. Step 4: Simplify right side
    96,703.24x = 4,369,899,757.61
  5. Step 5: Solve for x
    x = 4,369,899,757.61/96,703.24
  6. Step 6: Final answer
    x = 45,188.76

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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.