Home / 61,411.60-84,652.68-51,373.36

Finding the Fourth Proportional to 61,411.60, 84,652.68 and 51,373.36

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Solution

The fourth proportional to 61,411.60, 84,652.68 and 51,373.36 is: 70,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,411.60 : 84,652.68 = 51,373.36 : x
  2. Step 2: Convert to fraction form
    61,411.60/84,652.68 = 51,373.36/x
  3. Step 3: Cross multiply
    61,411.60x = 84,652.68 × 51,373.36
  4. Step 4: Simplify right side
    61,411.60x = 4,348,892,604.60
  5. Step 5: Solve for x
    x = 4,348,892,604.60/61,411.60
  6. Step 6: Final answer
    x = 70,815.49

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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.