Home / 106,290.09-146,678.40-58,547.88

Finding the Fourth Proportional to 106,290.09, 146,678.40 and 58,547.88

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Solution

The fourth proportional to 106,290.09, 146,678.40 and 58,547.88 is: 80,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.09 : 146,678.40 = 58,547.88 : x
  2. Step 2: Convert to fraction form
    106,290.09/146,678.40 = 58,547.88/x
  3. Step 3: Cross multiply
    106,290.09x = 146,678.40 × 58,547.88
  4. Step 4: Simplify right side
    106,290.09x = 8,587,709,361.79
  5. Step 5: Solve for x
    x = 8,587,709,361.79/106,290.09
  6. Step 6: Final answer
    x = 80,795.01

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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.