Home / 91,110.24-125,729.28-53,409.60

Finding the Fourth Proportional to 91,110.24, 125,729.28 and 53,409.60

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Solution

The fourth proportional to 91,110.24, 125,729.28 and 53,409.60 is: 73,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,110.24 : 125,729.28 = 53,409.60 : x
  2. Step 2: Convert to fraction form
    91,110.24/125,729.28 = 53,409.60/x
  3. Step 3: Cross multiply
    91,110.24x = 125,729.28 × 53,409.60
  4. Step 4: Simplify right side
    91,110.24x = 6,715,150,553.09
  5. Step 5: Solve for x
    x = 6,715,150,553.09/91,110.24
  6. Step 6: Final answer
    x = 73,703.58

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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.