Home / 73,909.04-110,847.36-21,307.10

Finding the Fourth Proportional to 73,909.04, 110,847.36 and 21,307.10

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Solution

The fourth proportional to 73,909.04, 110,847.36 and 21,307.10 is: 31,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,909.04 : 110,847.36 = 21,307.10 : x
  2. Step 2: Convert to fraction form
    73,909.04/110,847.36 = 21,307.10/x
  3. Step 3: Cross multiply
    73,909.04x = 110,847.36 × 21,307.10
  4. Step 4: Simplify right side
    73,909.04x = 2,361,835,784.26
  5. Step 5: Solve for x
    x = 2,361,835,784.26/73,909.04
  6. Step 6: Final answer
    x = 31,955.98

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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.