Home / 107,106.21-147,806.57-59,362.63

Finding the Fourth Proportional to 107,106.21, 147,806.57 and 59,362.63

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Solution

The fourth proportional to 107,106.21, 147,806.57 and 59,362.63 is: 81,920.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106.21 : 147,806.57 = 59,362.63 : x
  2. Step 2: Convert to fraction form
    107,106.21/147,806.57 = 59,362.63/x
  3. Step 3: Cross multiply
    107,106.21x = 147,806.57 × 59,362.63
  4. Step 4: Simplify right side
    107,106.21x = 8,774,185,987.45
  5. Step 5: Solve for x
    x = 8,774,185,987.45/107,106.21
  6. Step 6: Final answer
    x = 81,920.43

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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.