Home / 104,057.07-143,598.76-56,310.42

Finding the Fourth Proportional to 104,057.07, 143,598.76 and 56,310.42

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Solution

The fourth proportional to 104,057.07, 143,598.76 and 56,310.42 is: 77,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,057.07 : 143,598.76 = 56,310.42 : x
  2. Step 2: Convert to fraction form
    104,057.07/143,598.76 = 56,310.42/x
  3. Step 3: Cross multiply
    104,057.07x = 143,598.76 × 56,310.42
  4. Step 4: Simplify right side
    104,057.07x = 8,086,106,381.50
  5. Step 5: Solve for x
    x = 8,086,106,381.50/104,057.07
  6. Step 6: Final answer
    x = 77,708.38

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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.