Home / 97,417.12-134,443.92-81,473.44

Finding the Fourth Proportional to 97,417.12, 134,443.92 and 81,473.44

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Solution

The fourth proportional to 97,417.12, 134,443.92 and 81,473.44 is: 112,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,417.12 : 134,443.92 = 81,473.44 : x
  2. Step 2: Convert to fraction form
    97,417.12/134,443.92 = 81,473.44/x
  3. Step 3: Cross multiply
    97,417.12x = 134,443.92 × 81,473.44
  4. Step 4: Simplify right side
    97,417.12x = 10,953,608,649.48
  5. Step 5: Solve for x
    x = 10,953,608,649.48/97,417.12
  6. Step 6: Final answer
    x = 112,440.28

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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.