Home / 85,675.23-118,274.72-53,861.67

Finding the Fourth Proportional to 85,675.23, 118,274.72 and 53,861.67

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Solution

The fourth proportional to 85,675.23, 118,274.72 and 53,861.67 is: 74,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,675.23 : 118,274.72 = 53,861.67 : x
  2. Step 2: Convert to fraction form
    85,675.23/118,274.72 = 53,861.67/x
  3. Step 3: Cross multiply
    85,675.23x = 118,274.72 × 53,861.67
  4. Step 4: Simplify right side
    85,675.23x = 6,370,473,668.67
  5. Step 5: Solve for x
    x = 6,370,473,668.67/85,675.23
  6. Step 6: Final answer
    x = 74,356.07

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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.