Home / 105,116.90-157,581.59-38,541.51

Finding the Fourth Proportional to 105,116.90, 157,581.59 and 38,541.51

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Solution

The fourth proportional to 105,116.90, 157,581.59 and 38,541.51 is: 57,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,116.90 : 157,581.59 = 38,541.51 : x
  2. Step 2: Convert to fraction form
    105,116.90/157,581.59 = 38,541.51/x
  3. Step 3: Cross multiply
    105,116.90x = 157,581.59 × 38,541.51
  4. Step 4: Simplify right side
    105,116.90x = 6,073,432,234.09
  5. Step 5: Solve for x
    x = 6,073,432,234.09/105,116.90
  6. Step 6: Final answer
    x = 57,777.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.