Home / 63,279.36-87,244.48-51,907.20

Finding the Fourth Proportional to 63,279.36, 87,244.48 and 51,907.20

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Solution

The fourth proportional to 63,279.36, 87,244.48 and 51,907.20 is: 71,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,279.36 : 87,244.48 = 51,907.20 : x
  2. Step 2: Convert to fraction form
    63,279.36/87,244.48 = 51,907.20/x
  3. Step 3: Cross multiply
    63,279.36x = 87,244.48 × 51,907.20
  4. Step 4: Simplify right side
    63,279.36x = 4,528,616,672.26
  5. Step 5: Solve for x
    x = 4,528,616,672.26/63,279.36
  6. Step 6: Final answer
    x = 71,565.46

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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.