Home / 97,783.48-134,937.12-55,344.36

Finding the Fourth Proportional to 97,783.48, 134,937.12 and 55,344.36

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Solution

The fourth proportional to 97,783.48, 134,937.12 and 55,344.36 is: 76,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,783.48 : 134,937.12 = 55,344.36 : x
  2. Step 2: Convert to fraction form
    97,783.48/134,937.12 = 55,344.36/x
  3. Step 3: Cross multiply
    97,783.48x = 134,937.12 × 55,344.36
  4. Step 4: Simplify right side
    97,783.48x = 7,468,008,546.64
  5. Step 5: Solve for x
    x = 7,468,008,546.64/97,783.48
  6. Step 6: Final answer
    x = 76,372.91

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1.5x scale

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.