Home / 63,078.39-87,054.09-47,135.16

Finding the Fourth Proportional to 63,078.39, 87,054.09 and 47,135.16

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Solution

The fourth proportional to 63,078.39, 87,054.09 and 47,135.16 is: 65,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,078.39 : 87,054.09 = 47,135.16 : x
  2. Step 2: Convert to fraction form
    63,078.39/87,054.09 = 47,135.16/x
  3. Step 3: Cross multiply
    63,078.39x = 87,054.09 × 47,135.16
  4. Step 4: Simplify right side
    63,078.39x = 4,103,308,460.80
  5. Step 5: Solve for x
    x = 4,103,308,460.80/63,078.39
  6. Step 6: Final answer
    x = 65,050.94

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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.