Home / 102,612.18-153,933.65-36,040.57

Finding the Fourth Proportional to 102,612.18, 153,933.65 and 36,040.57

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Solution

The fourth proportional to 102,612.18, 153,933.65 and 36,040.57 is: 54,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,612.18 : 153,933.65 = 36,040.57 : x
  2. Step 2: Convert to fraction form
    102,612.18/153,933.65 = 36,040.57/x
  3. Step 3: Cross multiply
    102,612.18x = 153,933.65 × 36,040.57
  4. Step 4: Simplify right side
    102,612.18x = 5,547,856,578.28
  5. Step 5: Solve for x
    x = 5,547,856,578.28/102,612.18
  6. Step 6: Final answer
    x = 54,066.26

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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.