Home / 99,557.02-149,311.96-28,477.47

Finding the Fourth Proportional to 99,557.02, 149,311.96 and 28,477.47

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Solution

The fourth proportional to 99,557.02, 149,311.96 and 28,477.47 is: 42,709.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,557.02 : 149,311.96 = 28,477.47 : x
  2. Step 2: Convert to fraction form
    99,557.02/149,311.96 = 28,477.47/x
  3. Step 3: Cross multiply
    99,557.02x = 149,311.96 × 28,477.47
  4. Step 4: Simplify right side
    99,557.02x = 4,252,027,350.27
  5. Step 5: Solve for x
    x = 4,252,027,350.27/99,557.02
  6. Step 6: Final answer
    x = 42,709.47

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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.