Home / 61,617.56-84,955.19-51,423.26

Finding the Fourth Proportional to 61,617.56, 84,955.19 and 51,423.26

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Solution

The fourth proportional to 61,617.56, 84,955.19 and 51,423.26 is: 70,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,617.56 : 84,955.19 = 51,423.26 : x
  2. Step 2: Convert to fraction form
    61,617.56/84,955.19 = 51,423.26/x
  3. Step 3: Cross multiply
    61,617.56x = 84,955.19 × 51,423.26
  4. Step 4: Simplify right side
    61,617.56x = 4,368,672,503.40
  5. Step 5: Solve for x
    x = 4,368,672,503.40/61,617.56
  6. Step 6: Final answer
    x = 70,899.80

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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.