Home / 61,239.60-84,504.36-34,385.07

Finding the Fourth Proportional to 61,239.60, 84,504.36 and 34,385.07

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Solution

The fourth proportional to 61,239.60, 84,504.36 and 34,385.07 is: 47,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239.60 : 84,504.36 = 34,385.07 : x
  2. Step 2: Convert to fraction form
    61,239.60/84,504.36 = 34,385.07/x
  3. Step 3: Cross multiply
    61,239.60x = 84,504.36 × 34,385.07
  4. Step 4: Simplify right side
    61,239.60x = 2,905,688,333.91
  5. Step 5: Solve for x
    x = 2,905,688,333.91/61,239.60
  6. Step 6: Final answer
    x = 47,447.87

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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.