Home / 106,623.47-147,138.63-58,875.59

Finding the Fourth Proportional to 106,623.47, 147,138.63 and 58,875.59

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Solution

The fourth proportional to 106,623.47, 147,138.63 and 58,875.59 is: 81,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,623.47 : 147,138.63 = 58,875.59 : x
  2. Step 2: Convert to fraction form
    106,623.47/147,138.63 = 58,875.59/x
  3. Step 3: Cross multiply
    106,623.47x = 147,138.63 × 58,875.59
  4. Step 4: Simplify right side
    106,623.47x = 8,662,873,800.10
  5. Step 5: Solve for x
    x = 8,662,873,800.10/106,623.47
  6. Step 6: Final answer
    x = 81,247.34

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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.