Home / 47,326.06-65,316.95-31,190.86

Finding the Fourth Proportional to 47,326.06, 65,316.95 and 31,190.86

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Solution

The fourth proportional to 47,326.06, 65,316.95 and 31,190.86 is: 43,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,326.06 : 65,316.95 = 31,190.86 : x
  2. Step 2: Convert to fraction form
    47,326.06/65,316.95 = 31,190.86/x
  3. Step 3: Cross multiply
    47,326.06x = 65,316.95 × 31,190.86
  4. Step 4: Simplify right side
    47,326.06x = 2,037,291,843.08
  5. Step 5: Solve for x
    x = 2,037,291,843.08/47,326.06
  6. Step 6: Final answer
    x = 43,047.99

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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.