Home / 102,076.20-153,116.73-38,888.10

Finding the Fourth Proportional to 102,076.20, 153,116.73 and 38,888.10

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Solution

The fourth proportional to 102,076.20, 153,116.73 and 38,888.10 is: 58,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,076.20 : 153,116.73 = 38,888.10 : x
  2. Step 2: Convert to fraction form
    102,076.20/153,116.73 = 38,888.10/x
  3. Step 3: Cross multiply
    102,076.20x = 153,116.73 × 38,888.10
  4. Step 4: Simplify right side
    102,076.20x = 5,954,418,707.91
  5. Step 5: Solve for x
    x = 5,954,418,707.91/102,076.20
  6. Step 6: Final answer
    x = 58,333.08

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1.5x scale

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.