Home / 81,466.83-112,283.69-54,194.13

Finding the Fourth Proportional to 81,466.83, 112,283.69 and 54,194.13

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Solution

The fourth proportional to 81,466.83, 112,283.69 and 54,194.13 is: 74,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,466.83 : 112,283.69 = 54,194.13 : x
  2. Step 2: Convert to fraction form
    81,466.83/112,283.69 = 54,194.13/x
  3. Step 3: Cross multiply
    81,466.83x = 112,283.69 × 54,194.13
  4. Step 4: Simplify right side
    81,466.83x = 6,085,116,621.77
  5. Step 5: Solve for x
    x = 6,085,116,621.77/81,466.83
  6. Step 6: Final answer
    x = 74,694.41

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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.