Home / 81,959.09-113,102.46-46,152.63

Finding the Fourth Proportional to 81,959.09, 113,102.46 and 46,152.63

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Solution

The fourth proportional to 81,959.09, 113,102.46 and 46,152.63 is: 63,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,959.09 : 113,102.46 = 46,152.63 : x
  2. Step 2: Convert to fraction form
    81,959.09/113,102.46 = 46,152.63/x
  3. Step 3: Cross multiply
    81,959.09x = 113,102.46 × 46,152.63
  4. Step 4: Simplify right side
    81,959.09x = 5,219,975,988.47
  5. Step 5: Solve for x
    x = 5,219,975,988.47/81,959.09
  6. Step 6: Final answer
    x = 63,690.02

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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.