Home / 106,558.40-147,024.96-68,300.48

Finding the Fourth Proportional to 106,558.40, 147,024.96 and 68,300.48

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Solution

The fourth proportional to 106,558.40, 147,024.96 and 68,300.48 is: 94,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,558.40 : 147,024.96 = 68,300.48 : x
  2. Step 2: Convert to fraction form
    106,558.40/147,024.96 = 68,300.48/x
  3. Step 3: Cross multiply
    106,558.40x = 147,024.96 × 68,300.48
  4. Step 4: Simplify right side
    106,558.40x = 10,041,875,339.98
  5. Step 5: Solve for x
    x = 10,041,875,339.98/106,558.40
  6. Step 6: Final answer
    x = 94,238.23

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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.