Home / 94,089.48-129,839.40-51,648.72

Finding the Fourth Proportional to 94,089.48, 129,839.40 and 51,648.72

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Solution

The fourth proportional to 94,089.48, 129,839.40 and 51,648.72 is: 71,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,089.48 : 129,839.40 = 51,648.72 : x
  2. Step 2: Convert to fraction form
    94,089.48/129,839.40 = 51,648.72/x
  3. Step 3: Cross multiply
    94,089.48x = 129,839.40 × 51,648.72
  4. Step 4: Simplify right side
    94,089.48x = 6,706,038,815.57
  5. Step 5: Solve for x
    x = 6,706,038,815.57/94,089.48
  6. Step 6: Final answer
    x = 71,272.99

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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.