Home / 76,534.20-114,239.53-70,898.04

Finding the Fourth Proportional to 76,534.20, 114,239.53 and 70,898.04

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Solution

The fourth proportional to 76,534.20, 114,239.53 and 70,898.04 is: 105,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,534.20 : 114,239.53 = 70,898.04 : x
  2. Step 2: Convert to fraction form
    76,534.20/114,239.53 = 70,898.04/x
  3. Step 3: Cross multiply
    76,534.20x = 114,239.53 × 70,898.04
  4. Step 4: Simplify right side
    76,534.20x = 8,099,358,767.52
  5. Step 5: Solve for x
    x = 8,099,358,767.52/76,534.20
  6. Step 6: Final answer
    x = 105,826.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.