Home / 61,865.12-85,374.08-33,570.81

Finding the Fourth Proportional to 61,865.12, 85,374.08 and 33,570.81

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Solution

The fourth proportional to 61,865.12, 85,374.08 and 33,570.81 is: 46,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,865.12 : 85,374.08 = 33,570.81 : x
  2. Step 2: Convert to fraction form
    61,865.12/85,374.08 = 33,570.81/x
  3. Step 3: Cross multiply
    61,865.12x = 85,374.08 × 33,570.81
  4. Step 4: Simplify right side
    61,865.12x = 2,866,077,018.60
  5. Step 5: Solve for x
    x = 2,866,077,018.60/61,865.12
  6. Step 6: Final answer
    x = 46,327.83

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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.