Home / 98,564.70-136,033.38-56,127.18

Finding the Fourth Proportional to 98,564.70, 136,033.38 and 56,127.18

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Solution

The fourth proportional to 98,564.70, 136,033.38 and 56,127.18 is: 77,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,564.70 : 136,033.38 = 56,127.18 : x
  2. Step 2: Convert to fraction form
    98,564.70/136,033.38 = 56,127.18/x
  3. Step 3: Cross multiply
    98,564.70x = 136,033.38 × 56,127.18
  4. Step 4: Simplify right side
    98,564.70x = 7,635,170,005.27
  5. Step 5: Solve for x
    x = 7,635,170,005.27/98,564.70
  6. Step 6: Final answer
    x = 77,463.53

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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.