Home / 106,602.60-147,111.96-58,856.28

Finding the Fourth Proportional to 106,602.60, 147,111.96 and 58,856.28

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Solution

The fourth proportional to 106,602.60, 147,111.96 and 58,856.28 is: 81,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,602.60 : 147,111.96 = 58,856.28 : x
  2. Step 2: Convert to fraction form
    106,602.60/147,111.96 = 58,856.28/x
  3. Step 3: Cross multiply
    106,602.60x = 147,111.96 × 58,856.28
  4. Step 4: Simplify right side
    106,602.60x = 8,658,462,709.11
  5. Step 5: Solve for x
    x = 8,658,462,709.11/106,602.60
  6. Step 6: Final answer
    x = 81,221.87

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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.