Home / 73,733.04-110,567.16-21,130.56

Finding the Fourth Proportional to 73,733.04, 110,567.16 and 21,130.56

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Solution

The fourth proportional to 73,733.04, 110,567.16 and 21,130.56 is: 31,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,733.04 : 110,567.16 = 21,130.56 : x
  2. Step 2: Convert to fraction form
    73,733.04/110,567.16 = 21,130.56/x
  3. Step 3: Cross multiply
    73,733.04x = 110,567.16 × 21,130.56
  4. Step 4: Simplify right side
    73,733.04x = 2,336,346,008.41
  5. Step 5: Solve for x
    x = 2,336,346,008.41/73,733.04
  6. Step 6: Final answer
    x = 31,686.55

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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.