Home / 63,518.81-87,435.96-54,901.07

Finding the Fourth Proportional to 63,518.81, 87,435.96 and 54,901.07

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Solution

The fourth proportional to 63,518.81, 87,435.96 and 54,901.07 is: 75,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,518.81 : 87,435.96 = 54,901.07 : x
  2. Step 2: Convert to fraction form
    63,518.81/87,435.96 = 54,901.07/x
  3. Step 3: Cross multiply
    63,518.81x = 87,435.96 × 54,901.07
  4. Step 4: Simplify right side
    63,518.81x = 4,800,327,760.48
  5. Step 5: Solve for x
    x = 4,800,327,760.48/63,518.81
  6. Step 6: Final answer
    x = 75,573.33

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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.