Home / 83,223.40-124,884.54-30,669.76

Finding the Fourth Proportional to 83,223.40, 124,884.54 and 30,669.76

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Solution

The fourth proportional to 83,223.40, 124,884.54 and 30,669.76 is: 46,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,223.40 : 124,884.54 = 30,669.76 : x
  2. Step 2: Convert to fraction form
    83,223.40/124,884.54 = 30,669.76/x
  3. Step 3: Cross multiply
    83,223.40x = 124,884.54 × 30,669.76
  4. Step 4: Simplify right side
    83,223.40x = 3,830,178,869.51
  5. Step 5: Solve for x
    x = 3,830,178,869.51/83,223.40
  6. Step 6: Final answer
    x = 46,022.86

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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.