Home / 97,688.08-134,816.79-54,671.88

Finding the Fourth Proportional to 97,688.08, 134,816.79 and 54,671.88

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Solution

The fourth proportional to 97,688.08, 134,816.79 and 54,671.88 is: 75,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,688.08 : 134,816.79 = 54,671.88 : x
  2. Step 2: Convert to fraction form
    97,688.08/134,816.79 = 54,671.88/x
  3. Step 3: Cross multiply
    97,688.08x = 134,816.79 × 54,671.88
  4. Step 4: Simplify right side
    97,688.08x = 7,370,687,364.87
  5. Step 5: Solve for x
    x = 7,370,687,364.87/97,688.08
  6. Step 6: Final answer
    x = 75,451.25

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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.