Home / 97,043.64-133,920.24-54,602.16

Finding the Fourth Proportional to 97,043.64, 133,920.24 and 54,602.16

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Solution

The fourth proportional to 97,043.64, 133,920.24 and 54,602.16 is: 75,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,043.64 : 133,920.24 = 54,602.16 : x
  2. Step 2: Convert to fraction form
    97,043.64/133,920.24 = 54,602.16/x
  3. Step 3: Cross multiply
    97,043.64x = 133,920.24 × 54,602.16
  4. Step 4: Simplify right side
    97,043.64x = 7,312,334,371.72
  5. Step 5: Solve for x
    x = 7,312,334,371.72/97,043.64
  6. Step 6: Final answer
    x = 75,350.99

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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.