Home / 102,296.48-141,168.74-56,975.00

Finding the Fourth Proportional to 102,296.48, 141,168.74 and 56,975.00

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Solution

The fourth proportional to 102,296.48, 141,168.74 and 56,975.00 is: 78,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,296.48 : 141,168.74 = 56,975.00 : x
  2. Step 2: Convert to fraction form
    102,296.48/141,168.74 = 56,975.00/x
  3. Step 3: Cross multiply
    102,296.48x = 141,168.74 × 56,975.00
  4. Step 4: Simplify right side
    102,296.48x = 8,043,087,970.78
  5. Step 5: Solve for x
    x = 8,043,087,970.78/102,296.48
  6. Step 6: Final answer
    x = 78,625.27

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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.