Home / 98,928.09-136,527.47-55,892.66

Finding the Fourth Proportional to 98,928.09, 136,527.47 and 55,892.66

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Solution

The fourth proportional to 98,928.09, 136,527.47 and 55,892.66 is: 77,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928.09 : 136,527.47 = 55,892.66 : x
  2. Step 2: Convert to fraction form
    98,928.09/136,527.47 = 55,892.66/x
  3. Step 3: Cross multiply
    98,928.09x = 136,527.47 × 55,892.66
  4. Step 4: Simplify right side
    98,928.09x = 7,630,883,461.37
  5. Step 5: Solve for x
    x = 7,630,883,461.37/98,928.09
  6. Step 6: Final answer
    x = 77,135.66

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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.