Home / 102,619.66-153,918.66-48,571.40

Finding the Fourth Proportional to 102,619.66, 153,918.66 and 48,571.40

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Solution

The fourth proportional to 102,619.66, 153,918.66 and 48,571.40 is: 72,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,619.66 : 153,918.66 = 48,571.40 : x
  2. Step 2: Convert to fraction form
    102,619.66/153,918.66 = 48,571.40/x
  3. Step 3: Cross multiply
    102,619.66x = 153,918.66 × 48,571.40
  4. Step 4: Simplify right side
    102,619.66x = 7,476,044,802.32
  5. Step 5: Solve for x
    x = 7,476,044,802.32/102,619.66
  6. Step 6: Final answer
    x = 72,851.97

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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.