Home / 77,715.01-116,543.96-27,781.55

Finding the Fourth Proportional to 77,715.01, 116,543.96 and 27,781.55

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Solution

The fourth proportional to 77,715.01, 116,543.96 and 27,781.55 is: 41,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,715.01 : 116,543.96 = 27,781.55 : x
  2. Step 2: Convert to fraction form
    77,715.01/116,543.96 = 27,781.55/x
  3. Step 3: Cross multiply
    77,715.01x = 116,543.96 × 27,781.55
  4. Step 4: Simplify right side
    77,715.01x = 3,237,771,851.94
  5. Step 5: Solve for x
    x = 3,237,771,851.94/77,715.01
  6. Step 6: Final answer
    x = 41,662.12

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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.