Home / 70,984.36-106,966.20-64,320.56

Finding the Fourth Proportional to 70,984.36, 106,966.20 and 64,320.56

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Solution

The fourth proportional to 70,984.36, 106,966.20 and 64,320.56 is: 96,924.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,984.36 : 106,966.20 = 64,320.56 : x
  2. Step 2: Convert to fraction form
    70,984.36/106,966.20 = 64,320.56/x
  3. Step 3: Cross multiply
    70,984.36x = 106,966.20 × 64,320.56
  4. Step 4: Simplify right side
    70,984.36x = 6,880,125,885.07
  5. Step 5: Solve for x
    x = 6,880,125,885.07/70,984.36
  6. Step 6: Final answer
    x = 96,924.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.