Home / 106,931.71-147,563.97-59,184.03

Finding the Fourth Proportional to 106,931.71, 147,563.97 and 59,184.03

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Solution

The fourth proportional to 106,931.71, 147,563.97 and 59,184.03 is: 81,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.71 : 147,563.97 = 59,184.03 : x
  2. Step 2: Convert to fraction form
    106,931.71/147,563.97 = 59,184.03/x
  3. Step 3: Cross multiply
    106,931.71x = 147,563.97 × 59,184.03
  4. Step 4: Simplify right side
    106,931.71x = 8,733,430,427.40
  5. Step 5: Solve for x
    x = 8,733,430,427.40/106,931.71
  6. Step 6: Final answer
    x = 81,672.97

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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.