Home / 90,747.06-125,212.50-53,014.02

Finding the Fourth Proportional to 90,747.06, 125,212.50 and 53,014.02

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Solution

The fourth proportional to 90,747.06, 125,212.50 and 53,014.02 is: 73,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.06 : 125,212.50 = 53,014.02 : x
  2. Step 2: Convert to fraction form
    90,747.06/125,212.50 = 53,014.02/x
  3. Step 3: Cross multiply
    90,747.06x = 125,212.50 × 53,014.02
  4. Step 4: Simplify right side
    90,747.06x = 6,638,017,979.25
  5. Step 5: Solve for x
    x = 6,638,017,979.25/90,747.06
  6. Step 6: Final answer
    x = 73,148.57

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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.