Home / 71,670.45-107,403.58-52,802.10

Finding the Fourth Proportional to 71,670.45, 107,403.58 and 52,802.10

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Solution

The fourth proportional to 71,670.45, 107,403.58 and 52,802.10 is: 79,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,670.45 : 107,403.58 = 52,802.10 : x
  2. Step 2: Convert to fraction form
    71,670.45/107,403.58 = 52,802.10/x
  3. Step 3: Cross multiply
    71,670.45x = 107,403.58 × 52,802.10
  4. Step 4: Simplify right side
    71,670.45x = 5,671,134,571.52
  5. Step 5: Solve for x
    x = 5,671,134,571.52/71,670.45
  6. Step 6: Final answer
    x = 79,127.93

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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.