Home / 76,772.04-115,070.52-35,131.56

Finding the Fourth Proportional to 76,772.04, 115,070.52 and 35,131.56

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Solution

The fourth proportional to 76,772.04, 115,070.52 and 35,131.56 is: 52,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,772.04 : 115,070.52 = 35,131.56 : x
  2. Step 2: Convert to fraction form
    76,772.04/115,070.52 = 35,131.56/x
  3. Step 3: Cross multiply
    76,772.04x = 115,070.52 × 35,131.56
  4. Step 4: Simplify right side
    76,772.04x = 4,042,606,877.61
  5. Step 5: Solve for x
    x = 4,042,606,877.61/76,772.04
  6. Step 6: Final answer
    x = 52,657.28

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1.5x scale

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.