Home / 94,085.10-129,838.91-51,647.50

Finding the Fourth Proportional to 94,085.10, 129,838.91 and 51,647.50

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Solution

The fourth proportional to 94,085.10, 129,838.91 and 51,647.50 is: 71,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,085.10 : 129,838.91 = 51,647.50 : x
  2. Step 2: Convert to fraction form
    94,085.10/129,838.91 = 51,647.50/x
  3. Step 3: Cross multiply
    94,085.10x = 129,838.91 × 51,647.50
  4. Step 4: Simplify right side
    94,085.10x = 6,705,855,104.23
  5. Step 5: Solve for x
    x = 6,705,855,104.23/94,085.10
  6. Step 6: Final answer
    x = 71,274.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.