Home / 92,760.93-128,006.55-50,318.55

Finding the Fourth Proportional to 92,760.93, 128,006.55 and 50,318.55

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Solution

The fourth proportional to 92,760.93, 128,006.55 and 50,318.55 is: 69,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,760.93 : 128,006.55 = 50,318.55 : x
  2. Step 2: Convert to fraction form
    92,760.93/128,006.55 = 50,318.55/x
  3. Step 3: Cross multiply
    92,760.93x = 128,006.55 × 50,318.55
  4. Step 4: Simplify right side
    92,760.93x = 6,441,103,986.50
  5. Step 5: Solve for x
    x = 6,441,103,986.50/92,760.93
  6. Step 6: Final answer
    x = 69,437.68

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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.