Home / 94,077.78-129,828.33-51,635.40

Finding the Fourth Proportional to 94,077.78, 129,828.33 and 51,635.40

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Solution

The fourth proportional to 94,077.78, 129,828.33 and 51,635.40 is: 71,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,077.78 : 129,828.33 = 51,635.40 : x
  2. Step 2: Convert to fraction form
    94,077.78/129,828.33 = 51,635.40/x
  3. Step 3: Cross multiply
    94,077.78x = 129,828.33 × 51,635.40
  4. Step 4: Simplify right side
    94,077.78x = 6,703,737,750.88
  5. Step 5: Solve for x
    x = 6,703,737,750.88/94,077.78
  6. Step 6: Final answer
    x = 71,257.40

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1.5x scale

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.