Home / 77,235.12-106,602.48-50,330.88

Finding the Fourth Proportional to 77,235.12, 106,602.48 and 50,330.88

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Solution

The fourth proportional to 77,235.12, 106,602.48 and 50,330.88 is: 69,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,235.12 : 106,602.48 = 50,330.88 : x
  2. Step 2: Convert to fraction form
    77,235.12/106,602.48 = 50,330.88/x
  3. Step 3: Cross multiply
    77,235.12x = 106,602.48 × 50,330.88
  4. Step 4: Simplify right side
    77,235.12x = 5,365,396,628.58
  5. Step 5: Solve for x
    x = 5,365,396,628.58/77,235.12
  6. Step 6: Final answer
    x = 69,468.35

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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.