Home / 61,905.16-85,427.80-33,610.85

Finding the Fourth Proportional to 61,905.16, 85,427.80 and 33,610.85

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Solution

The fourth proportional to 61,905.16, 85,427.80 and 33,610.85 is: 46,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,905.16 : 85,427.80 = 33,610.85 : x
  2. Step 2: Convert to fraction form
    61,905.16/85,427.80 = 33,610.85/x
  3. Step 3: Cross multiply
    61,905.16x = 85,427.80 × 33,610.85
  4. Step 4: Simplify right side
    61,905.16x = 2,871,300,780.82
  5. Step 5: Solve for x
    x = 2,871,300,780.82/61,905.16
  6. Step 6: Final answer
    x = 46,382.25

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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.