Home / 96,977.18-145,465.80-30,423.14

Finding the Fourth Proportional to 96,977.18, 145,465.80 and 30,423.14

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Solution

The fourth proportional to 96,977.18, 145,465.80 and 30,423.14 is: 45,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,977.18 : 145,465.80 = 30,423.14 : x
  2. Step 2: Convert to fraction form
    96,977.18/145,465.80 = 30,423.14/x
  3. Step 3: Cross multiply
    96,977.18x = 145,465.80 × 30,423.14
  4. Step 4: Simplify right side
    96,977.18x = 4,425,526,398.61
  5. Step 5: Solve for x
    x = 4,425,526,398.61/96,977.18
  6. Step 6: Final answer
    x = 45,634.72

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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.