Home / 82,928.89-124,304.64-47,313.46

Finding the Fourth Proportional to 82,928.89, 124,304.64 and 47,313.46

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Solution

The fourth proportional to 82,928.89, 124,304.64 and 47,313.46 is: 70,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,928.89 : 124,304.64 = 47,313.46 : x
  2. Step 2: Convert to fraction form
    82,928.89/124,304.64 = 47,313.46/x
  3. Step 3: Cross multiply
    82,928.89x = 124,304.64 × 47,313.46
  4. Step 4: Simplify right side
    82,928.89x = 5,881,282,612.45
  5. Step 5: Solve for x
    x = 5,881,282,612.45/82,928.89
  6. Step 6: Final answer
    x = 70,919.59

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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.