Home / 106,742.46-147,312.22-58,994.78

Finding the Fourth Proportional to 106,742.46, 147,312.22 and 58,994.78

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Solution

The fourth proportional to 106,742.46, 147,312.22 and 58,994.78 is: 81,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,742.46 : 147,312.22 = 58,994.78 : x
  2. Step 2: Convert to fraction form
    106,742.46/147,312.22 = 58,994.78/x
  3. Step 3: Cross multiply
    106,742.46x = 147,312.22 × 58,994.78
  4. Step 4: Simplify right side
    106,742.46x = 8,690,652,065.41
  5. Step 5: Solve for x
    x = 8,690,652,065.41/106,742.46
  6. Step 6: Final answer
    x = 81,417.01

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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.