Home / 90,339.14-124,672-50,052.89

Finding the Fourth Proportional to 90,339.14, 124,672 and 50,052.89

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Solution

The fourth proportional to 90,339.14, 124,672 and 50,052.89 is: 69,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,339.14 : 124,672 = 50,052.89 : x
  2. Step 2: Convert to fraction form
    90,339.14/124,672 = 50,052.89/x
  3. Step 3: Cross multiply
    90,339.14x = 124,672 × 50,052.89
  4. Step 4: Simplify right side
    90,339.14x = 6,240,193,278.72
  5. Step 5: Solve for x
    x = 6,240,193,278.72/90,339.14
  6. Step 6: Final answer
    x = 69,075.19

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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.