Home / 107,021.87-147,652.23-63,971.46

Finding the Fourth Proportional to 107,021.87, 147,652.23 and 63,971.46

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Solution

The fourth proportional to 107,021.87, 147,652.23 and 63,971.46 is: 88,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,021.87 : 147,652.23 = 63,971.46 : x
  2. Step 2: Convert to fraction form
    107,021.87/147,652.23 = 63,971.46/x
  3. Step 3: Cross multiply
    107,021.87x = 147,652.23 × 63,971.46
  4. Step 4: Simplify right side
    107,021.87x = 9,445,528,487.73
  5. Step 5: Solve for x
    x = 9,445,528,487.73/107,021.87
  6. Step 6: Final answer
    x = 88,257.93

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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.