Home / 77,765.56-116,666.84-25,175.04

Finding the Fourth Proportional to 77,765.56, 116,666.84 and 25,175.04

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Solution

The fourth proportional to 77,765.56, 116,666.84 and 25,175.04 is: 37,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,765.56 : 116,666.84 = 25,175.04 : x
  2. Step 2: Convert to fraction form
    77,765.56/116,666.84 = 25,175.04/x
  3. Step 3: Cross multiply
    77,765.56x = 116,666.84 × 25,175.04
  4. Step 4: Simplify right side
    77,765.56x = 2,937,092,363.67
  5. Step 5: Solve for x
    x = 2,937,092,363.67/77,765.56
  6. Step 6: Final answer
    x = 37,768.55

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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.