Home / 104,345.87-143,996.28-56,598.53

Finding the Fourth Proportional to 104,345.87, 143,996.28 and 56,598.53

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Solution

The fourth proportional to 104,345.87, 143,996.28 and 56,598.53 is: 78,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,345.87 : 143,996.28 = 56,598.53 : x
  2. Step 2: Convert to fraction form
    104,345.87/143,996.28 = 56,598.53/x
  3. Step 3: Cross multiply
    104,345.87x = 143,996.28 × 56,598.53
  4. Step 4: Simplify right side
    104,345.87x = 8,149,977,773.47
  5. Step 5: Solve for x
    x = 8,149,977,773.47/104,345.87
  6. Step 6: Final answer
    x = 78,105.42

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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.