Home / 97,236.10-145,562.55-57,772.90

Finding the Fourth Proportional to 97,236.10, 145,562.55 and 57,772.90

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Solution

The fourth proportional to 97,236.10, 145,562.55 and 57,772.90 is: 86,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,236.10 : 145,562.55 = 57,772.90 : x
  2. Step 2: Convert to fraction form
    97,236.10/145,562.55 = 57,772.90/x
  3. Step 3: Cross multiply
    97,236.10x = 145,562.55 × 57,772.90
  4. Step 4: Simplify right side
    97,236.10x = 8,409,570,644.90
  5. Step 5: Solve for x
    x = 8,409,570,644.90/97,236.10
  6. Step 6: Final answer
    x = 86,486.10

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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.