Home / 90,063.63-124,292.61-51,829

Finding the Fourth Proportional to 90,063.63, 124,292.61 and 51,829

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Solution

The fourth proportional to 90,063.63, 124,292.61 and 51,829 is: 71,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,063.63 : 124,292.61 = 51,829 : x
  2. Step 2: Convert to fraction form
    90,063.63/124,292.61 = 51,829/x
  3. Step 3: Cross multiply
    90,063.63x = 124,292.61 × 51,829
  4. Step 4: Simplify right side
    90,063.63x = 6,441,961,683.69
  5. Step 5: Solve for x
    x = 6,441,961,683.69/90,063.63
  6. Step 6: Final answer
    x = 71,526.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.