Home / 90,409.07-124,767.46-50,126.58

Finding the Fourth Proportional to 90,409.07, 124,767.46 and 50,126.58

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Solution

The fourth proportional to 90,409.07, 124,767.46 and 50,126.58 is: 69,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,409.07 : 124,767.46 = 50,126.58 : x
  2. Step 2: Convert to fraction form
    90,409.07/124,767.46 = 50,126.58/x
  3. Step 3: Cross multiply
    90,409.07x = 124,767.46 × 50,126.58
  4. Step 4: Simplify right side
    90,409.07x = 6,254,166,065.09
  5. Step 5: Solve for x
    x = 6,254,166,065.09/90,409.07
  6. Step 6: Final answer
    x = 69,176.31

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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.