Home / 83,313.16-125,018.58-30,759.28

Finding the Fourth Proportional to 83,313.16, 125,018.58 and 30,759.28

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Solution

The fourth proportional to 83,313.16, 125,018.58 and 30,759.28 is: 46,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,313.16 : 125,018.58 = 30,759.28 : x
  2. Step 2: Convert to fraction form
    83,313.16/125,018.58 = 30,759.28/x
  3. Step 3: Cross multiply
    83,313.16x = 125,018.58 × 30,759.28
  4. Step 4: Simplify right side
    83,313.16x = 3,845,481,507.42
  5. Step 5: Solve for x
    x = 3,845,481,507.42/83,313.16
  6. Step 6: Final answer
    x = 46,156.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.