Home / 104,057.16-143,598.42-56,311.35

Finding the Fourth Proportional to 104,057.16, 143,598.42 and 56,311.35

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Solution

The fourth proportional to 104,057.16, 143,598.42 and 56,311.35 is: 77,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,057.16 : 143,598.42 = 56,311.35 : x
  2. Step 2: Convert to fraction form
    104,057.16/143,598.42 = 56,311.35/x
  3. Step 3: Cross multiply
    104,057.16x = 143,598.42 × 56,311.35
  4. Step 4: Simplify right side
    104,057.16x = 8,086,220,888.07
  5. Step 5: Solve for x
    x = 8,086,220,888.07/104,057.16
  6. Step 6: Final answer
    x = 77,709.41

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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.