Home / 61,909.67-85,435.69-33,615.36

Finding the Fourth Proportional to 61,909.67, 85,435.69 and 33,615.36

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Solution

The fourth proportional to 61,909.67, 85,435.69 and 33,615.36 is: 46,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,909.67 : 85,435.69 = 33,615.36 : x
  2. Step 2: Convert to fraction form
    61,909.67/85,435.69 = 33,615.36/x
  3. Step 3: Cross multiply
    61,909.67x = 85,435.69 × 33,615.36
  4. Step 4: Simplify right side
    61,909.67x = 2,871,951,308.12
  5. Step 5: Solve for x
    x = 2,871,951,308.12/61,909.67
  6. Step 6: Final answer
    x = 46,389.38

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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.