Home / 107,421.96-148,225.84-62,091.20

Finding the Fourth Proportional to 107,421.96, 148,225.84 and 62,091.20

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Solution

The fourth proportional to 107,421.96, 148,225.84 and 62,091.20 is: 85,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,421.96 : 148,225.84 = 62,091.20 : x
  2. Step 2: Convert to fraction form
    107,421.96/148,225.84 = 62,091.20/x
  3. Step 3: Cross multiply
    107,421.96x = 148,225.84 × 62,091.20
  4. Step 4: Simplify right side
    107,421.96x = 9,203,520,276.61
  5. Step 5: Solve for x
    x = 9,203,520,276.61/107,421.96
  6. Step 6: Final answer
    x = 85,676.34

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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.