Home / 63,420.37-87,287.09-54,366.19

Finding the Fourth Proportional to 63,420.37, 87,287.09 and 54,366.19

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Solution

The fourth proportional to 63,420.37, 87,287.09 and 54,366.19 is: 74,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.37 : 87,287.09 = 54,366.19 : x
  2. Step 2: Convert to fraction form
    63,420.37/87,287.09 = 54,366.19/x
  3. Step 3: Cross multiply
    63,420.37x = 87,287.09 × 54,366.19
  4. Step 4: Simplify right side
    63,420.37x = 4,745,466,029.44
  5. Step 5: Solve for x
    x = 4,745,466,029.44/63,420.37
  6. Step 6: Final answer
    x = 74,825.58

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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.