Home / 61,412.09-84,750.34-34,555.55

Finding the Fourth Proportional to 61,412.09, 84,750.34 and 34,555.55

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Solution

The fourth proportional to 61,412.09, 84,750.34 and 34,555.55 is: 47,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,412.09 : 84,750.34 = 34,555.55 : x
  2. Step 2: Convert to fraction form
    61,412.09/84,750.34 = 34,555.55/x
  3. Step 3: Cross multiply
    61,412.09x = 84,750.34 × 34,555.55
  4. Step 4: Simplify right side
    61,412.09x = 2,928,594,226.73
  5. Step 5: Solve for x
    x = 2,928,594,226.73/61,412.09
  6. Step 6: Final answer
    x = 47,687.59

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1.5x scale

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.