Home / 76,320.42-105,200.86-60,161.53

Finding the Fourth Proportional to 76,320.42, 105,200.86 and 60,161.53

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Solution

The fourth proportional to 76,320.42, 105,200.86 and 60,161.53 is: 82,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,320.42 : 105,200.86 = 60,161.53 : x
  2. Step 2: Convert to fraction form
    76,320.42/105,200.86 = 60,161.53/x
  3. Step 3: Cross multiply
    76,320.42x = 105,200.86 × 60,161.53
  4. Step 4: Simplify right side
    76,320.42x = 6,329,044,394.11
  5. Step 5: Solve for x
    x = 6,329,044,394.11/76,320.42
  6. Step 6: Final answer
    x = 82,927.27

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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.