Home / 83,729.12-115,551.84-46,003.84

Finding the Fourth Proportional to 83,729.12, 115,551.84 and 46,003.84

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Solution

The fourth proportional to 83,729.12, 115,551.84 and 46,003.84 is: 63,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,729.12 : 115,551.84 = 46,003.84 : x
  2. Step 2: Convert to fraction form
    83,729.12/115,551.84 = 46,003.84/x
  3. Step 3: Cross multiply
    83,729.12x = 115,551.84 × 46,003.84
  4. Step 4: Simplify right side
    83,729.12x = 5,315,828,359.07
  5. Step 5: Solve for x
    x = 5,315,828,359.07/83,729.12
  6. Step 6: Final answer
    x = 63,488.41

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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.