Home / 94,316.40-141,474.60-31,986.90

Finding the Fourth Proportional to 94,316.40, 141,474.60 and 31,986.90

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Solution

The fourth proportional to 94,316.40, 141,474.60 and 31,986.90 is: 47,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,316.40 : 141,474.60 = 31,986.90 : x
  2. Step 2: Convert to fraction form
    94,316.40/141,474.60 = 31,986.90/x
  3. Step 3: Cross multiply
    94,316.40x = 141,474.60 × 31,986.90
  4. Step 4: Simplify right side
    94,316.40x = 4,525,333,882.74
  5. Step 5: Solve for x
    x = 4,525,333,882.74/94,316.40
  6. Step 6: Final answer
    x = 47,980.35

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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.