Home / 97,313.10-145,969.65-55,176.90

Finding the Fourth Proportional to 97,313.10, 145,969.65 and 55,176.90

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Solution

The fourth proportional to 97,313.10, 145,969.65 and 55,176.90 is: 82,765.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,313.10 : 145,969.65 = 55,176.90 : x
  2. Step 2: Convert to fraction form
    97,313.10/145,969.65 = 55,176.90/x
  3. Step 3: Cross multiply
    97,313.10x = 145,969.65 × 55,176.90
  4. Step 4: Simplify right side
    97,313.10x = 8,054,152,781.09
  5. Step 5: Solve for x
    x = 8,054,152,781.09/97,313.10
  6. Step 6: Final answer
    x = 82,765.35

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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.