Home / 78,527.24-117,746.09-53,597.46

Finding the Fourth Proportional to 78,527.24, 117,746.09 and 53,597.46

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Solution

The fourth proportional to 78,527.24, 117,746.09 and 53,597.46 is: 80,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,527.24 : 117,746.09 = 53,597.46 : x
  2. Step 2: Convert to fraction form
    78,527.24/117,746.09 = 53,597.46/x
  3. Step 3: Cross multiply
    78,527.24x = 117,746.09 × 53,597.46
  4. Step 4: Simplify right side
    78,527.24x = 6,310,891,080.94
  5. Step 5: Solve for x
    x = 6,310,891,080.94/78,527.24
  6. Step 6: Final answer
    x = 80,365.63

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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.