Home / 92,991.04-128,327.28-52,712.56

Finding the Fourth Proportional to 92,991.04, 128,327.28 and 52,712.56

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Solution

The fourth proportional to 92,991.04, 128,327.28 and 52,712.56 is: 72,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,991.04 : 128,327.28 = 52,712.56 : x
  2. Step 2: Convert to fraction form
    92,991.04/128,327.28 = 52,712.56/x
  3. Step 3: Cross multiply
    92,991.04x = 128,327.28 × 52,712.56
  4. Step 4: Simplify right side
    92,991.04x = 6,764,459,446.64
  5. Step 5: Solve for x
    x = 6,764,459,446.64/92,991.04
  6. Step 6: Final answer
    x = 72,743.13

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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.