Home / 76,159.46-105,103.33-42,167.94

Finding the Fourth Proportional to 76,159.46, 105,103.33 and 42,167.94

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Solution

The fourth proportional to 76,159.46, 105,103.33 and 42,167.94 is: 58,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,159.46 : 105,103.33 = 42,167.94 : x
  2. Step 2: Convert to fraction form
    76,159.46/105,103.33 = 42,167.94/x
  3. Step 3: Cross multiply
    76,159.46x = 105,103.33 × 42,167.94
  4. Step 4: Simplify right side
    76,159.46x = 4,431,990,913.24
  5. Step 5: Solve for x
    x = 4,431,990,913.24/76,159.46
  6. Step 6: Final answer
    x = 58,193.57

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1.5x scale

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.