Home / 91,053.26-125,653.08-52,820.54

Finding the Fourth Proportional to 91,053.26, 125,653.08 and 52,820.54

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Solution

The fourth proportional to 91,053.26, 125,653.08 and 52,820.54 is: 72,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,053.26 : 125,653.08 = 52,820.54 : x
  2. Step 2: Convert to fraction form
    91,053.26/125,653.08 = 52,820.54/x
  3. Step 3: Cross multiply
    91,053.26x = 125,653.08 × 52,820.54
  4. Step 4: Simplify right side
    91,053.26x = 6,637,063,538.26
  5. Step 5: Solve for x
    x = 6,637,063,538.26/91,053.26
  6. Step 6: Final answer
    x = 72,892.10

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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.