Home / 98,964.86-136,571.01-53,642.66

Finding the Fourth Proportional to 98,964.86, 136,571.01 and 53,642.66

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Solution

The fourth proportional to 98,964.86, 136,571.01 and 53,642.66 is: 74,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,964.86 : 136,571.01 = 53,642.66 : x
  2. Step 2: Convert to fraction form
    98,964.86/136,571.01 = 53,642.66/x
  3. Step 3: Cross multiply
    98,964.86x = 136,571.01 × 53,642.66
  4. Step 4: Simplify right side
    98,964.86x = 7,326,032,255.29
  5. Step 5: Solve for x
    x = 7,326,032,255.29/98,964.86
  6. Step 6: Final answer
    x = 74,026.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.