Home / 61,221.15-84,479.36-34,357.50

Finding the Fourth Proportional to 61,221.15, 84,479.36 and 34,357.50

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Solution

The fourth proportional to 61,221.15, 84,479.36 and 34,357.50 is: 47,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,221.15 : 84,479.36 = 34,357.50 : x
  2. Step 2: Convert to fraction form
    61,221.15/84,479.36 = 34,357.50/x
  3. Step 3: Cross multiply
    61,221.15x = 84,479.36 × 34,357.50
  4. Step 4: Simplify right side
    61,221.15x = 2,902,499,439.41
  5. Step 5: Solve for x
    x = 2,902,499,439.41/61,221.15
  6. Step 6: Final answer
    x = 47,410.08

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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.