Home / 83,133.05-124,562.78-48,011.45

Finding the Fourth Proportional to 83,133.05, 124,562.78 and 48,011.45

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Solution

The fourth proportional to 83,133.05, 124,562.78 and 48,011.45 is: 71,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133.05 : 124,562.78 = 48,011.45 : x
  2. Step 2: Convert to fraction form
    83,133.05/124,562.78 = 48,011.45/x
  3. Step 3: Cross multiply
    83,133.05x = 124,562.78 × 48,011.45
  4. Step 4: Simplify right side
    83,133.05x = 5,980,439,443.77
  5. Step 5: Solve for x
    x = 5,980,439,443.77/83,133.05
  6. Step 6: Final answer
    x = 71,938.17

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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.