Home / 94,307.07-141,478.10-31,131.60

Finding the Fourth Proportional to 94,307.07, 141,478.10 and 31,131.60

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Solution

The fourth proportional to 94,307.07, 141,478.10 and 31,131.60 is: 46,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,307.07 : 141,478.10 = 31,131.60 : x
  2. Step 2: Convert to fraction form
    94,307.07/141,478.10 = 31,131.60/x
  3. Step 3: Cross multiply
    94,307.07x = 141,478.10 × 31,131.60
  4. Step 4: Simplify right side
    94,307.07x = 4,404,439,617.96
  5. Step 5: Solve for x
    x = 4,404,439,617.96/94,307.07
  6. Step 6: Final answer
    x = 46,703.18

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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.