Home / 83,427.09-125,085.02-43,347.58

Finding the Fourth Proportional to 83,427.09, 125,085.02 and 43,347.58

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Solution

The fourth proportional to 83,427.09, 125,085.02 and 43,347.58 is: 64,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.09 : 125,085.02 = 43,347.58 : x
  2. Step 2: Convert to fraction form
    83,427.09/125,085.02 = 43,347.58/x
  3. Step 3: Cross multiply
    83,427.09x = 125,085.02 × 43,347.58
  4. Step 4: Simplify right side
    83,427.09x = 5,422,132,285.83
  5. Step 5: Solve for x
    x = 5,422,132,285.83/83,427.09
  6. Step 6: Final answer
    x = 64,992.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.