Home / 106,159.05-146,492.69-57,760.47

Finding the Fourth Proportional to 106,159.05, 146,492.69 and 57,760.47

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Solution

The fourth proportional to 106,159.05, 146,492.69 and 57,760.47 is: 79,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,159.05 : 146,492.69 = 57,760.47 : x
  2. Step 2: Convert to fraction form
    106,159.05/146,492.69 = 57,760.47/x
  3. Step 3: Cross multiply
    106,159.05x = 146,492.69 × 57,760.47
  4. Step 4: Simplify right side
    106,159.05x = 8,461,486,337.16
  5. Step 5: Solve for x
    x = 8,461,486,337.16/106,159.05
  6. Step 6: Final answer
    x = 79,705.75

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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.