Home / 82,953.45-124,430.66-20,623.95

Finding the Fourth Proportional to 82,953.45, 124,430.66 and 20,623.95

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Solution

The fourth proportional to 82,953.45, 124,430.66 and 20,623.95 is: 30,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,953.45 : 124,430.66 = 20,623.95 : x
  2. Step 2: Convert to fraction form
    82,953.45/124,430.66 = 20,623.95/x
  3. Step 3: Cross multiply
    82,953.45x = 124,430.66 × 20,623.95
  4. Step 4: Simplify right side
    82,953.45x = 2,566,251,607.19
  5. Step 5: Solve for x
    x = 2,566,251,607.19/82,953.45
  6. Step 6: Final answer
    x = 30,936.04

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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.