Home / 105,141.42-157,712.11-58,055.90

Finding the Fourth Proportional to 105,141.42, 157,712.11 and 58,055.90

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Solution

The fourth proportional to 105,141.42, 157,712.11 and 58,055.90 is: 87,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,141.42 : 157,712.11 = 58,055.90 : x
  2. Step 2: Convert to fraction form
    105,141.42/157,712.11 = 58,055.90/x
  3. Step 3: Cross multiply
    105,141.42x = 157,712.11 × 58,055.90
  4. Step 4: Simplify right side
    105,141.42x = 9,156,118,486.95
  5. Step 5: Solve for x
    x = 9,156,118,486.95/105,141.42
  6. Step 6: Final answer
    x = 87,083.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.