Home / 96,973.40-145,460.28-30,418.76

Finding the Fourth Proportional to 96,973.40, 145,460.28 and 30,418.76

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Solution

The fourth proportional to 96,973.40, 145,460.28 and 30,418.76 is: 45,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,973.40 : 145,460.28 = 30,418.76 : x
  2. Step 2: Convert to fraction form
    96,973.40/145,460.28 = 30,418.76/x
  3. Step 3: Cross multiply
    96,973.40x = 145,460.28 × 30,418.76
  4. Step 4: Simplify right side
    96,973.40x = 4,424,721,346.85
  5. Step 5: Solve for x
    x = 4,424,721,346.85/96,973.40
  6. Step 6: Final answer
    x = 45,628.20

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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.