Home / 94,312.01-141,438-31,120.35

Finding the Fourth Proportional to 94,312.01, 141,438 and 31,120.35

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Solution

The fourth proportional to 94,312.01, 141,438 and 31,120.35 is: 46,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,312.01 : 141,438 = 31,120.35 : x
  2. Step 2: Convert to fraction form
    94,312.01/141,438 = 31,120.35/x
  3. Step 3: Cross multiply
    94,312.01x = 141,438 × 31,120.35
  4. Step 4: Simplify right side
    94,312.01x = 4,401,600,063.30
  5. Step 5: Solve for x
    x = 4,401,600,063.30/94,312.01
  6. Step 6: Final answer
    x = 46,670.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.