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Finding the Fourth Proportional to 84,955.63, 117,239.21 and 46,717.63

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Solution

The fourth proportional to 84,955.63, 117,239.21 and 46,717.63 is: 64,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,955.63 : 117,239.21 = 46,717.63 : x
  2. Step 2: Convert to fraction form
    84,955.63/117,239.21 = 46,717.63/x
  3. Step 3: Cross multiply
    84,955.63x = 117,239.21 × 46,717.63
  4. Step 4: Simplify right side
    84,955.63x = 5,477,138,034.27
  5. Step 5: Solve for x
    x = 5,477,138,034.27/84,955.63
  6. Step 6: Final answer
    x = 64,470.57

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1.5x scale

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.