Home / 85,231.98-117,624.15-47,506.50

Finding the Fourth Proportional to 85,231.98, 117,624.15 and 47,506.50

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Solution

The fourth proportional to 85,231.98, 117,624.15 and 47,506.50 is: 65,561.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.98 : 117,624.15 = 47,506.50 : x
  2. Step 2: Convert to fraction form
    85,231.98/117,624.15 = 47,506.50/x
  3. Step 3: Cross multiply
    85,231.98x = 117,624.15 × 47,506.50
  4. Step 4: Simplify right side
    85,231.98x = 5,587,911,681.98
  5. Step 5: Solve for x
    x = 5,587,911,681.98/85,231.98
  6. Step 6: Final answer
    x = 65,561.21

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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.