Home / 107,106.45-147,806.92-59,362.88

Finding the Fourth Proportional to 107,106.45, 147,806.92 and 59,362.88

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Solution

The fourth proportional to 107,106.45, 147,806.92 and 59,362.88 is: 81,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106.45 : 147,806.92 = 59,362.88 : x
  2. Step 2: Convert to fraction form
    107,106.45/147,806.92 = 59,362.88/x
  3. Step 3: Cross multiply
    107,106.45x = 147,806.92 × 59,362.88
  4. Step 4: Simplify right side
    107,106.45x = 8,774,244,158.32
  5. Step 5: Solve for x
    x = 8,774,244,158.32/107,106.45
  6. Step 6: Final answer
    x = 81,920.78

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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.