Home / 63,071.46-86,948.10-49,619.43

Finding the Fourth Proportional to 63,071.46, 86,948.10 and 49,619.43

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Solution

The fourth proportional to 63,071.46, 86,948.10 and 49,619.43 is: 68,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,071.46 : 86,948.10 = 49,619.43 : x
  2. Step 2: Convert to fraction form
    63,071.46/86,948.10 = 49,619.43/x
  3. Step 3: Cross multiply
    63,071.46x = 86,948.10 × 49,619.43
  4. Step 4: Simplify right side
    63,071.46x = 4,314,315,161.58
  5. Step 5: Solve for x
    x = 4,314,315,161.58/63,071.46
  6. Step 6: Final answer
    x = 68,403.60

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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.