Home / 107,437.82-148,216.50-71,592.92

Finding the Fourth Proportional to 107,437.82, 148,216.50 and 71,592.92

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Solution

The fourth proportional to 107,437.82, 148,216.50 and 71,592.92 is: 98,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,437.82 : 148,216.50 = 71,592.92 : x
  2. Step 2: Convert to fraction form
    107,437.82/148,216.50 = 71,592.92/x
  3. Step 3: Cross multiply
    107,437.82x = 148,216.50 × 71,592.92
  4. Step 4: Simplify right side
    107,437.82x = 10,611,252,027.18
  5. Step 5: Solve for x
    x = 10,611,252,027.18/107,437.82
  6. Step 6: Final answer
    x = 98,766.45

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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.