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Finding the Fourth Proportional to 77,602.98, 116,307.06 and 33,177.51

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Solution

The fourth proportional to 77,602.98, 116,307.06 and 33,177.51 is: 49,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,602.98 : 116,307.06 = 33,177.51 : x
  2. Step 2: Convert to fraction form
    77,602.98/116,307.06 = 33,177.51/x
  3. Step 3: Cross multiply
    77,602.98x = 116,307.06 × 33,177.51
  4. Step 4: Simplify right side
    77,602.98x = 3,858,778,646.22
  5. Step 5: Solve for x
    x = 3,858,778,646.22/77,602.98
  6. Step 6: Final answer
    x = 49,724.62

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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.