Home / 72,946.96-109,420.43-56,331.23

Finding the Fourth Proportional to 72,946.96, 109,420.43 and 56,331.23

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Solution

The fourth proportional to 72,946.96, 109,420.43 and 56,331.23 is: 84,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,946.96 : 109,420.43 = 56,331.23 : x
  2. Step 2: Convert to fraction form
    72,946.96/109,420.43 = 56,331.23/x
  3. Step 3: Cross multiply
    72,946.96x = 109,420.43 × 56,331.23
  4. Step 4: Simplify right side
    72,946.96x = 6,163,786,580.27
  5. Step 5: Solve for x
    x = 6,163,786,580.27/72,946.96
  6. Step 6: Final answer
    x = 84,496.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.