Home / 82,639.28-114,043.36-44,913.52

Finding the Fourth Proportional to 82,639.28, 114,043.36 and 44,913.52

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Solution

The fourth proportional to 82,639.28, 114,043.36 and 44,913.52 is: 61,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,639.28 : 114,043.36 = 44,913.52 : x
  2. Step 2: Convert to fraction form
    82,639.28/114,043.36 = 44,913.52/x
  3. Step 3: Cross multiply
    82,639.28x = 114,043.36 × 44,913.52
  4. Step 4: Simplify right side
    82,639.28x = 5,122,088,730.23
  5. Step 5: Solve for x
    x = 5,122,088,730.23/82,639.28
  6. Step 6: Final answer
    x = 61,981.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.