Home / 92,926.84-128,238.70-50,485.00

Finding the Fourth Proportional to 92,926.84, 128,238.70 and 50,485.00

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Solution

The fourth proportional to 92,926.84, 128,238.70 and 50,485.00 is: 69,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,926.84 : 128,238.70 = 50,485.00 : x
  2. Step 2: Convert to fraction form
    92,926.84/128,238.70 = 50,485.00/x
  3. Step 3: Cross multiply
    92,926.84x = 128,238.70 × 50,485.00
  4. Step 4: Simplify right side
    92,926.84x = 6,474,129,875.88
  5. Step 5: Solve for x
    x = 6,474,129,875.88/92,926.84
  6. Step 6: Final answer
    x = 69,669.11

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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.