Home / 106,943.09-147,579.67-59,195.41

Finding the Fourth Proportional to 106,943.09, 147,579.67 and 59,195.41

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Solution

The fourth proportional to 106,943.09, 147,579.67 and 59,195.41 is: 81,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,943.09 : 147,579.67 = 59,195.41 : x
  2. Step 2: Convert to fraction form
    106,943.09/147,579.67 = 59,195.41/x
  3. Step 3: Cross multiply
    106,943.09x = 147,579.67 × 59,195.41
  4. Step 4: Simplify right side
    106,943.09x = 8,736,038,778.36
  5. Step 5: Solve for x
    x = 8,736,038,778.36/106,943.09
  6. Step 6: Final answer
    x = 81,688.67

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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.