Home / 92,773.08-128,026.98-50,331.78

Finding the Fourth Proportional to 92,773.08, 128,026.98 and 50,331.78

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Solution

The fourth proportional to 92,773.08, 128,026.98 and 50,331.78 is: 69,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,773.08 : 128,026.98 = 50,331.78 : x
  2. Step 2: Convert to fraction form
    92,773.08/128,026.98 = 50,331.78/x
  3. Step 3: Cross multiply
    92,773.08x = 128,026.98 × 50,331.78
  4. Step 4: Simplify right side
    92,773.08x = 6,443,825,791.42
  5. Step 5: Solve for x
    x = 6,443,825,791.42/92,773.08
  6. Step 6: Final answer
    x = 69,457.93

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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.