Home / 106,054.38-146,355.99-57,656.40

Finding the Fourth Proportional to 106,054.38, 146,355.99 and 57,656.40

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Solution

The fourth proportional to 106,054.38, 146,355.99 and 57,656.40 is: 79,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,054.38 : 146,355.99 = 57,656.40 : x
  2. Step 2: Convert to fraction form
    106,054.38/146,355.99 = 57,656.40/x
  3. Step 3: Cross multiply
    106,054.38x = 146,355.99 × 57,656.40
  4. Step 4: Simplify right side
    106,054.38x = 8,438,359,501.84
  5. Step 5: Solve for x
    x = 8,438,359,501.84/106,054.38
  6. Step 6: Final answer
    x = 79,566.35

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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.