Home / 106,386.86-146,772.68-61,048.46

Finding the Fourth Proportional to 106,386.86, 146,772.68 and 61,048.46

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Solution

The fourth proportional to 106,386.86, 146,772.68 and 61,048.46 is: 84,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,386.86 : 146,772.68 = 61,048.46 : x
  2. Step 2: Convert to fraction form
    106,386.86/146,772.68 = 61,048.46/x
  3. Step 3: Cross multiply
    106,386.86x = 146,772.68 × 61,048.46
  4. Step 4: Simplify right side
    106,386.86x = 8,960,246,084.07
  5. Step 5: Solve for x
    x = 8,960,246,084.07/106,386.86
  6. Step 6: Final answer
    x = 84,223.24

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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.