Home / 97,197.64-134,116.47-54,167.70

Finding the Fourth Proportional to 97,197.64, 134,116.47 and 54,167.70

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Solution

The fourth proportional to 97,197.64, 134,116.47 and 54,167.70 is: 74,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,197.64 : 134,116.47 = 54,167.70 : x
  2. Step 2: Convert to fraction form
    97,197.64/134,116.47 = 54,167.70/x
  3. Step 3: Cross multiply
    97,197.64x = 134,116.47 × 54,167.70
  4. Step 4: Simplify right side
    97,197.64x = 7,264,780,712.02
  5. Step 5: Solve for x
    x = 7,264,780,712.02/97,197.64
  6. Step 6: Final answer
    x = 74,742.36

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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.