Home / 97,310.10-145,965.15-92,717.40

Finding the Fourth Proportional to 97,310.10, 145,965.15 and 92,717.40

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Solution

The fourth proportional to 97,310.10, 145,965.15 and 92,717.40 is: 139,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,310.10 : 145,965.15 = 92,717.40 : x
  2. Step 2: Convert to fraction form
    97,310.10/145,965.15 = 92,717.40/x
  3. Step 3: Cross multiply
    97,310.10x = 145,965.15 × 92,717.40
  4. Step 4: Simplify right side
    97,310.10x = 13,533,509,198.61
  5. Step 5: Solve for x
    x = 13,533,509,198.61/97,310.10
  6. Step 6: Final answer
    x = 139,076.10

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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.