Home / 97,436.64-145,732.77-57,360.12

Finding the Fourth Proportional to 97,436.64, 145,732.77 and 57,360.12

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Solution

The fourth proportional to 97,436.64, 145,732.77 and 57,360.12 is: 85,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,436.64 : 145,732.77 = 57,360.12 : x
  2. Step 2: Convert to fraction form
    97,436.64/145,732.77 = 57,360.12/x
  3. Step 3: Cross multiply
    97,436.64x = 145,732.77 × 57,360.12
  4. Step 4: Simplify right side
    97,436.64x = 8,359,249,175.13
  5. Step 5: Solve for x
    x = 8,359,249,175.13/97,436.64
  6. Step 6: Final answer
    x = 85,791.64

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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.