Home / 102,612.05-153,933.47-36,040.45

Finding the Fourth Proportional to 102,612.05, 153,933.47 and 36,040.45

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Solution

The fourth proportional to 102,612.05, 153,933.47 and 36,040.45 is: 54,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,612.05 : 153,933.47 = 36,040.45 : x
  2. Step 2: Convert to fraction form
    102,612.05/153,933.47 = 36,040.45/x
  3. Step 3: Cross multiply
    102,612.05x = 153,933.47 × 36,040.45
  4. Step 4: Simplify right side
    102,612.05x = 5,547,830,578.99
  5. Step 5: Solve for x
    x = 5,547,830,578.99/102,612.05
  6. Step 6: Final answer
    x = 54,066.07

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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.