Home / 94,689.40-142,034.10-47,936.20

Finding the Fourth Proportional to 94,689.40, 142,034.10 and 47,936.20

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Solution

The fourth proportional to 94,689.40, 142,034.10 and 47,936.20 is: 71,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,689.40 : 142,034.10 = 47,936.20 : x
  2. Step 2: Convert to fraction form
    94,689.40/142,034.10 = 47,936.20/x
  3. Step 3: Cross multiply
    94,689.40x = 142,034.10 × 47,936.20
  4. Step 4: Simplify right side
    94,689.40x = 6,808,575,024.42
  5. Step 5: Solve for x
    x = 6,808,575,024.42/94,689.40
  6. Step 6: Final answer
    x = 71,904.30

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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.