Home / 107,309.88-148,094.10-61,996.20

Finding the Fourth Proportional to 107,309.88, 148,094.10 and 61,996.20

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Solution

The fourth proportional to 107,309.88, 148,094.10 and 61,996.20 is: 85,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,309.88 : 148,094.10 = 61,996.20 : x
  2. Step 2: Convert to fraction form
    107,309.88/148,094.10 = 61,996.20/x
  3. Step 3: Cross multiply
    107,309.88x = 148,094.10 × 61,996.20
  4. Step 4: Simplify right side
    107,309.88x = 9,181,271,442.42
  5. Step 5: Solve for x
    x = 9,181,271,442.42/107,309.88
  6. Step 6: Final answer
    x = 85,558.49

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1.5x scale

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.