Home / 70,199.16-105,205.59-30,713.28

Finding the Fourth Proportional to 70,199.16, 105,205.59 and 30,713.28

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Solution

The fourth proportional to 70,199.16, 105,205.59 and 30,713.28 is: 46,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,199.16 : 105,205.59 = 30,713.28 : x
  2. Step 2: Convert to fraction form
    70,199.16/105,205.59 = 30,713.28/x
  3. Step 3: Cross multiply
    70,199.16x = 105,205.59 × 30,713.28
  4. Step 4: Simplify right side
    70,199.16x = 3,231,208,743.24
  5. Step 5: Solve for x
    x = 3,231,208,743.24/70,199.16
  6. Step 6: Final answer
    x = 46,029.17

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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.