Home / 97,746.56-134,884.32-55,318.40

Finding the Fourth Proportional to 97,746.56, 134,884.32 and 55,318.40

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Solution

The fourth proportional to 97,746.56, 134,884.32 and 55,318.40 is: 76,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,746.56 : 134,884.32 = 55,318.40 : x
  2. Step 2: Convert to fraction form
    97,746.56/134,884.32 = 55,318.40/x
  3. Step 3: Cross multiply
    97,746.56x = 134,884.32 × 55,318.40
  4. Step 4: Simplify right side
    97,746.56x = 7,461,584,767.49
  5. Step 5: Solve for x
    x = 7,461,584,767.49/97,746.56
  6. Step 6: Final answer
    x = 76,336.03

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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.