Home / 94,817.68-142,178.90-31,615.43

Finding the Fourth Proportional to 94,817.68, 142,178.90 and 31,615.43

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Solution

The fourth proportional to 94,817.68, 142,178.90 and 31,615.43 is: 47,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,817.68 : 142,178.90 = 31,615.43 : x
  2. Step 2: Convert to fraction form
    94,817.68/142,178.90 = 31,615.43/x
  3. Step 3: Cross multiply
    94,817.68x = 142,178.90 × 31,615.43
  4. Step 4: Simplify right side
    94,817.68x = 4,495,046,502.58
  5. Step 5: Solve for x
    x = 4,495,046,502.58/94,817.68
  6. Step 6: Final answer
    x = 47,407.26

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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.