Home / 73,437.19-109,984.93-71,416.89

Finding the Fourth Proportional to 73,437.19, 109,984.93 and 71,416.89

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Solution

The fourth proportional to 73,437.19, 109,984.93 and 71,416.89 is: 106,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,437.19 : 109,984.93 = 71,416.89 : x
  2. Step 2: Convert to fraction form
    73,437.19/109,984.93 = 71,416.89/x
  3. Step 3: Cross multiply
    73,437.19x = 109,984.93 × 71,416.89
  4. Step 4: Simplify right side
    73,437.19x = 7,854,781,468.93
  5. Step 5: Solve for x
    x = 7,854,781,468.93/73,437.19
  6. Step 6: Final answer
    x = 106,959.18

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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.