Home / 76,549.64-114,785.10-34,393.59

Finding the Fourth Proportional to 76,549.64, 114,785.10 and 34,393.59

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Solution

The fourth proportional to 76,549.64, 114,785.10 and 34,393.59 is: 51,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,549.64 : 114,785.10 = 34,393.59 : x
  2. Step 2: Convert to fraction form
    76,549.64/114,785.10 = 34,393.59/x
  3. Step 3: Cross multiply
    76,549.64x = 114,785.10 × 34,393.59
  4. Step 4: Simplify right side
    76,549.64x = 3,947,871,667.51
  5. Step 5: Solve for x
    x = 3,947,871,667.51/76,549.64
  6. Step 6: Final answer
    x = 51,572.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.