Home / 110,011.22-164,898.75-72,045.98

Finding the Fourth Proportional to 110,011.22, 164,898.75 and 72,045.98

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Solution

The fourth proportional to 110,011.22, 164,898.75 and 72,045.98 is: 107,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,011.22 : 164,898.75 = 72,045.98 : x
  2. Step 2: Convert to fraction form
    110,011.22/164,898.75 = 72,045.98/x
  3. Step 3: Cross multiply
    110,011.22x = 164,898.75 × 72,045.98
  4. Step 4: Simplify right side
    110,011.22x = 11,880,292,044.53
  5. Step 5: Solve for x
    x = 11,880,292,044.53/110,011.22
  6. Step 6: Final answer
    x = 107,991.64

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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.