Home / 81,895.07-113,015.15-46,085.12

Finding the Fourth Proportional to 81,895.07, 113,015.15 and 46,085.12

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Solution

The fourth proportional to 81,895.07, 113,015.15 and 46,085.12 is: 63,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,895.07 : 113,015.15 = 46,085.12 : x
  2. Step 2: Convert to fraction form
    81,895.07/113,015.15 = 46,085.12/x
  3. Step 3: Cross multiply
    81,895.07x = 113,015.15 × 46,085.12
  4. Step 4: Simplify right side
    81,895.07x = 5,208,316,299.71
  5. Step 5: Solve for x
    x = 5,208,316,299.71/81,895.07
  6. Step 6: Final answer
    x = 63,597.43

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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.