Home / 86,770.17-119,707.53-56,544.48

Finding the Fourth Proportional to 86,770.17, 119,707.53 and 56,544.48

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Solution

The fourth proportional to 86,770.17, 119,707.53 and 56,544.48 is: 78,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,770.17 : 119,707.53 = 56,544.48 : x
  2. Step 2: Convert to fraction form
    86,770.17/119,707.53 = 56,544.48/x
  3. Step 3: Cross multiply
    86,770.17x = 119,707.53 × 56,544.48
  4. Step 4: Simplify right side
    86,770.17x = 6,768,800,035.93
  5. Step 5: Solve for x
    x = 6,768,800,035.93/86,770.17
  6. Step 6: Final answer
    x = 78,008.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.