Home / 53,188.40-73,400.20-31,968.02

Finding the Fourth Proportional to 53,188.40, 73,400.20 and 31,968.02

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Solution

The fourth proportional to 53,188.40, 73,400.20 and 31,968.02 is: 44,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.40 : 73,400.20 = 31,968.02 : x
  2. Step 2: Convert to fraction form
    53,188.40/73,400.20 = 31,968.02/x
  3. Step 3: Cross multiply
    53,188.40x = 73,400.20 × 31,968.02
  4. Step 4: Simplify right side
    53,188.40x = 2,346,459,061.60
  5. Step 5: Solve for x
    x = 2,346,459,061.60/53,188.40
  6. Step 6: Final answer
    x = 44,115.99

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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.