Home / 63,172.14-87,170.46-34,870.74

Finding the Fourth Proportional to 63,172.14, 87,170.46 and 34,870.74

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Solution

The fourth proportional to 63,172.14, 87,170.46 and 34,870.74 is: 48,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,172.14 : 87,170.46 = 34,870.74 : x
  2. Step 2: Convert to fraction form
    63,172.14/87,170.46 = 34,870.74/x
  3. Step 3: Cross multiply
    63,172.14x = 87,170.46 × 34,870.74
  4. Step 4: Simplify right side
    63,172.14x = 3,039,698,446.34
  5. Step 5: Solve for x
    x = 3,039,698,446.34/63,172.14
  6. Step 6: Final answer
    x = 48,117.71

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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.