Home / 47,975.09-66,293.59-45,670.53

Finding the Fourth Proportional to 47,975.09, 66,293.59 and 45,670.53

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Solution

The fourth proportional to 47,975.09, 66,293.59 and 45,670.53 is: 63,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,975.09 : 66,293.59 = 45,670.53 : x
  2. Step 2: Convert to fraction form
    47,975.09/66,293.59 = 45,670.53/x
  3. Step 3: Cross multiply
    47,975.09x = 66,293.59 × 45,670.53
  4. Step 4: Simplify right side
    47,975.09x = 3,027,663,610.96
  5. Step 5: Solve for x
    x = 3,027,663,610.96/47,975.09
  6. Step 6: Final answer
    x = 63,109.08

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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.