Home / 77,071.24-115,627.02-32,699.80

Finding the Fourth Proportional to 77,071.24, 115,627.02 and 32,699.80

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Solution

The fourth proportional to 77,071.24, 115,627.02 and 32,699.80 is: 49,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.24 : 115,627.02 = 32,699.80 : x
  2. Step 2: Convert to fraction form
    77,071.24/115,627.02 = 32,699.80/x
  3. Step 3: Cross multiply
    77,071.24x = 115,627.02 × 32,699.80
  4. Step 4: Simplify right side
    77,071.24x = 3,780,980,428.60
  5. Step 5: Solve for x
    x = 3,780,980,428.60/77,071.24
  6. Step 6: Final answer
    x = 49,058.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.