Home / 69,761.52-96,307.68-55,999.80

Finding the Fourth Proportional to 69,761.52, 96,307.68 and 55,999.80

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Solution

The fourth proportional to 69,761.52, 96,307.68 and 55,999.80 is: 77,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,761.52 : 96,307.68 = 55,999.80 : x
  2. Step 2: Convert to fraction form
    69,761.52/96,307.68 = 55,999.80/x
  3. Step 3: Cross multiply
    69,761.52x = 96,307.68 × 55,999.80
  4. Step 4: Simplify right side
    69,761.52x = 5,393,210,818.46
  5. Step 5: Solve for x
    x = 5,393,210,818.46/69,761.52
  6. Step 6: Final answer
    x = 77,309.25

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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.