Home / 90,079.23-124,303.93-49,790.59

Finding the Fourth Proportional to 90,079.23, 124,303.93 and 49,790.59

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Solution

The fourth proportional to 90,079.23, 124,303.93 and 49,790.59 is: 68,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079.23 : 124,303.93 = 49,790.59 : x
  2. Step 2: Convert to fraction form
    90,079.23/124,303.93 = 49,790.59/x
  3. Step 3: Cross multiply
    90,079.23x = 124,303.93 × 49,790.59
  4. Step 4: Simplify right side
    90,079.23x = 6,189,166,014.02
  5. Step 5: Solve for x
    x = 6,189,166,014.02/90,079.23
  6. Step 6: Final answer
    x = 68,708.03

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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.