Home / 99,069.14-136,683.09-56,044.47

Finding the Fourth Proportional to 99,069.14, 136,683.09 and 56,044.47

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Solution

The fourth proportional to 99,069.14, 136,683.09 and 56,044.47 is: 77,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069.14 : 136,683.09 = 56,044.47 : x
  2. Step 2: Convert to fraction form
    99,069.14/136,683.09 = 56,044.47/x
  3. Step 3: Cross multiply
    99,069.14x = 136,683.09 × 56,044.47
  4. Step 4: Simplify right side
    99,069.14x = 7,660,331,337.01
  5. Step 5: Solve for x
    x = 7,660,331,337.01/99,069.14
  6. Step 6: Final answer
    x = 77,323.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.