Home / 86,033.25-118,674.41-54,146.79

Finding the Fourth Proportional to 86,033.25, 118,674.41 and 54,146.79

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Solution

The fourth proportional to 86,033.25, 118,674.41 and 54,146.79 is: 74,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.25 : 118,674.41 = 54,146.79 : x
  2. Step 2: Convert to fraction form
    86,033.25/118,674.41 = 54,146.79/x
  3. Step 3: Cross multiply
    86,033.25x = 118,674.41 × 54,146.79
  4. Step 4: Simplify right side
    86,033.25x = 6,425,838,085.91
  5. Step 5: Solve for x
    x = 6,425,838,085.91/86,033.25
  6. Step 6: Final answer
    x = 74,690.17

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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.