Home / 62,966.10-94,426.45-20,838.40

Finding the Fourth Proportional to 62,966.10, 94,426.45 and 20,838.40

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Solution

The fourth proportional to 62,966.10, 94,426.45 and 20,838.40 is: 31,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,966.10 : 94,426.45 = 20,838.40 : x
  2. Step 2: Convert to fraction form
    62,966.10/94,426.45 = 20,838.40/x
  3. Step 3: Cross multiply
    62,966.10x = 94,426.45 × 20,838.40
  4. Step 4: Simplify right side
    62,966.10x = 1,967,696,135.68
  5. Step 5: Solve for x
    x = 1,967,696,135.68/62,966.10
  6. Step 6: Final answer
    x = 31,250.09

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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.