Home / 76,955.98-106,243.32-58,663.06

Finding the Fourth Proportional to 76,955.98, 106,243.32 and 58,663.06

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Solution

The fourth proportional to 76,955.98, 106,243.32 and 58,663.06 is: 80,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955.98 : 106,243.32 = 58,663.06 : x
  2. Step 2: Convert to fraction form
    76,955.98/106,243.32 = 58,663.06/x
  3. Step 3: Cross multiply
    76,955.98x = 106,243.32 × 58,663.06
  4. Step 4: Simplify right side
    76,955.98x = 6,232,558,255.76
  5. Step 5: Solve for x
    x = 6,232,558,255.76/76,955.98
  6. Step 6: Final answer
    x = 80,988.62

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1.5x scale

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.