Home / 82,798.45-124,199.73-30,207.94

Finding the Fourth Proportional to 82,798.45, 124,199.73 and 30,207.94

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Solution

The fourth proportional to 82,798.45, 124,199.73 and 30,207.94 is: 45,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798.45 : 124,199.73 = 30,207.94 : x
  2. Step 2: Convert to fraction form
    82,798.45/124,199.73 = 30,207.94/x
  3. Step 3: Cross multiply
    82,798.45x = 124,199.73 × 30,207.94
  4. Step 4: Simplify right side
    82,798.45x = 3,751,817,681.36
  5. Step 5: Solve for x
    x = 3,751,817,681.36/82,798.45
  6. Step 6: Final answer
    x = 45,312.65

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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.