Home / 92,760.19-128,008.41-50,318.77

Finding the Fourth Proportional to 92,760.19, 128,008.41 and 50,318.77

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Solution

The fourth proportional to 92,760.19, 128,008.41 and 50,318.77 is: 69,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,760.19 : 128,008.41 = 50,318.77 : x
  2. Step 2: Convert to fraction form
    92,760.19/128,008.41 = 50,318.77/x
  3. Step 3: Cross multiply
    92,760.19x = 128,008.41 × 50,318.77
  4. Step 4: Simplify right side
    92,760.19x = 6,441,225,740.86
  5. Step 5: Solve for x
    x = 6,441,225,740.86/92,760.19
  6. Step 6: Final answer
    x = 69,439.55

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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.