Home / 77,439.90-116,202.15-30,056.85

Finding the Fourth Proportional to 77,439.90, 116,202.15 and 30,056.85

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Solution

The fourth proportional to 77,439.90, 116,202.15 and 30,056.85 is: 45,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,439.90 : 116,202.15 = 30,056.85 : x
  2. Step 2: Convert to fraction form
    77,439.90/116,202.15 = 30,056.85/x
  3. Step 3: Cross multiply
    77,439.90x = 116,202.15 × 30,056.85
  4. Step 4: Simplify right side
    77,439.90x = 3,492,670,592.23
  5. Step 5: Solve for x
    x = 3,492,670,592.23/77,439.90
  6. Step 6: Final answer
    x = 45,101.69

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1.5x scale

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.