Home / 61,945.06-85,479.86-34,349.48

Finding the Fourth Proportional to 61,945.06, 85,479.86 and 34,349.48

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Solution

The fourth proportional to 61,945.06, 85,479.86 and 34,349.48 is: 47,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,945.06 : 85,479.86 = 34,349.48 : x
  2. Step 2: Convert to fraction form
    61,945.06/85,479.86 = 34,349.48/x
  3. Step 3: Cross multiply
    61,945.06x = 85,479.86 × 34,349.48
  4. Step 4: Simplify right side
    61,945.06x = 2,936,188,741.47
  5. Step 5: Solve for x
    x = 2,936,188,741.47/61,945.06
  6. Step 6: Final answer
    x = 47,399.89

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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.