Home / 94,142.16-141,208.92-31,813.20

Finding the Fourth Proportional to 94,142.16, 141,208.92 and 31,813.20

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Solution

The fourth proportional to 94,142.16, 141,208.92 and 31,813.20 is: 47,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,142.16 : 141,208.92 = 31,813.20 : x
  2. Step 2: Convert to fraction form
    94,142.16/141,208.92 = 31,813.20/x
  3. Step 3: Cross multiply
    94,142.16x = 141,208.92 × 31,813.20
  4. Step 4: Simplify right side
    94,142.16x = 4,492,307,613.74
  5. Step 5: Solve for x
    x = 4,492,307,613.74/94,142.16
  6. Step 6: Final answer
    x = 47,718.34

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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.