Home / 77,814.62-116,758.37-38,350.20

Finding the Fourth Proportional to 77,814.62, 116,758.37 and 38,350.20

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Solution

The fourth proportional to 77,814.62, 116,758.37 and 38,350.20 is: 57,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.62 : 116,758.37 = 38,350.20 : x
  2. Step 2: Convert to fraction form
    77,814.62/116,758.37 = 38,350.20/x
  3. Step 3: Cross multiply
    77,814.62x = 116,758.37 × 38,350.20
  4. Step 4: Simplify right side
    77,814.62x = 4,477,706,649.42
  5. Step 5: Solve for x
    x = 4,477,706,649.42/77,814.62
  6. Step 6: Final answer
    x = 57,543.26

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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.