Home / 90,554.10-124,965.48-50,271.69

Finding the Fourth Proportional to 90,554.10, 124,965.48 and 50,271.69

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Solution

The fourth proportional to 90,554.10, 124,965.48 and 50,271.69 is: 69,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,554.10 : 124,965.48 = 50,271.69 : x
  2. Step 2: Convert to fraction form
    90,554.10/124,965.48 = 50,271.69/x
  3. Step 3: Cross multiply
    90,554.10x = 124,965.48 × 50,271.69
  4. Step 4: Simplify right side
    90,554.10x = 6,282,225,825.47
  5. Step 5: Solve for x
    x = 6,282,225,825.47/90,554.10
  6. Step 6: Final answer
    x = 69,375.39

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1.5x scale

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.