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Finding the Fourth Proportional to 73,014.79, 109,475.11 and 28,646.03

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Solution

The fourth proportional to 73,014.79, 109,475.11 and 28,646.03 is: 42,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,014.79 : 109,475.11 = 28,646.03 : x
  2. Step 2: Convert to fraction form
    73,014.79/109,475.11 = 28,646.03/x
  3. Step 3: Cross multiply
    73,014.79x = 109,475.11 × 28,646.03
  4. Step 4: Simplify right side
    73,014.79x = 3,136,027,285.31
  5. Step 5: Solve for x
    x = 3,136,027,285.31/73,014.79
  6. Step 6: Final answer
    x = 42,950.58

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1.5x scale

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.