Home / 63,113.43-87,125.52-54,465.21

Finding the Fourth Proportional to 63,113.43, 87,125.52 and 54,465.21

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Solution

The fourth proportional to 63,113.43, 87,125.52 and 54,465.21 is: 75,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,113.43 : 87,125.52 = 54,465.21 : x
  2. Step 2: Convert to fraction form
    63,113.43/87,125.52 = 54,465.21/x
  3. Step 3: Cross multiply
    63,113.43x = 87,125.52 × 54,465.21
  4. Step 4: Simplify right side
    63,113.43x = 4,745,309,947.40
  5. Step 5: Solve for x
    x = 4,745,309,947.40/63,113.43
  6. Step 6: Final answer
    x = 75,187.01

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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.