Home / 106,775.04-147,336.76-59,021.90

Finding the Fourth Proportional to 106,775.04, 147,336.76 and 59,021.90

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Solution

The fourth proportional to 106,775.04, 147,336.76 and 59,021.90 is: 81,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,775.04 : 147,336.76 = 59,021.90 : x
  2. Step 2: Convert to fraction form
    106,775.04/147,336.76 = 59,021.90/x
  3. Step 3: Cross multiply
    106,775.04x = 147,336.76 × 59,021.90
  4. Step 4: Simplify right side
    106,775.04x = 8,696,095,515.04
  5. Step 5: Solve for x
    x = 8,696,095,515.04/106,775.04
  6. Step 6: Final answer
    x = 81,443.15

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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.