Home / 76,341.24-105,351.54-42,351.95

Finding the Fourth Proportional to 76,341.24, 105,351.54 and 42,351.95

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Solution

The fourth proportional to 76,341.24, 105,351.54 and 42,351.95 is: 58,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,341.24 : 105,351.54 = 42,351.95 : x
  2. Step 2: Convert to fraction form
    76,341.24/105,351.54 = 42,351.95/x
  3. Step 3: Cross multiply
    76,341.24x = 105,351.54 × 42,351.95
  4. Step 4: Simplify right side
    76,341.24x = 4,461,843,154.50
  5. Step 5: Solve for x
    x = 4,461,843,154.50/76,341.24
  6. Step 6: Final answer
    x = 58,446.04

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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.