Home / 92,764.39-128,015.11-50,322.93

Finding the Fourth Proportional to 92,764.39, 128,015.11 and 50,322.93

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Solution

The fourth proportional to 92,764.39, 128,015.11 and 50,322.93 is: 69,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,764.39 : 128,015.11 = 50,322.93 : x
  2. Step 2: Convert to fraction form
    92,764.39/128,015.11 = 50,322.93/x
  3. Step 3: Cross multiply
    92,764.39x = 128,015.11 × 50,322.93
  4. Step 4: Simplify right side
    92,764.39x = 6,442,094,527.78
  5. Step 5: Solve for x
    x = 6,442,094,527.78/92,764.39
  6. Step 6: Final answer
    x = 69,445.77

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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.