Home / 81,823.64-112,903.44-46,011.51

Finding the Fourth Proportional to 81,823.64, 112,903.44 and 46,011.51

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Solution

The fourth proportional to 81,823.64, 112,903.44 and 46,011.51 is: 63,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,823.64 : 112,903.44 = 46,011.51 : x
  2. Step 2: Convert to fraction form
    81,823.64/112,903.44 = 46,011.51/x
  3. Step 3: Cross multiply
    81,823.64x = 112,903.44 × 46,011.51
  4. Step 4: Simplify right side
    81,823.64x = 5,194,857,758.59
  5. Step 5: Solve for x
    x = 5,194,857,758.59/81,823.64
  6. Step 6: Final answer
    x = 63,488.47

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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.