Home / 90,119.36-124,365.53-49,835.86

Finding the Fourth Proportional to 90,119.36, 124,365.53 and 49,835.86

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Solution

The fourth proportional to 90,119.36, 124,365.53 and 49,835.86 is: 68,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,119.36 : 124,365.53 = 49,835.86 : x
  2. Step 2: Convert to fraction form
    90,119.36/124,365.53 = 49,835.86/x
  3. Step 3: Cross multiply
    90,119.36x = 124,365.53 × 49,835.86
  4. Step 4: Simplify right side
    90,119.36x = 6,197,862,955.58
  5. Step 5: Solve for x
    x = 6,197,862,955.58/90,119.36
  6. Step 6: Final answer
    x = 68,773.93

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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.