Home / 92,979.50-128,311.23-50,538.26

Finding the Fourth Proportional to 92,979.50, 128,311.23 and 50,538.26

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Solution

The fourth proportional to 92,979.50, 128,311.23 and 50,538.26 is: 69,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,979.50 : 128,311.23 = 50,538.26 : x
  2. Step 2: Convert to fraction form
    92,979.50/128,311.23 = 50,538.26/x
  3. Step 3: Cross multiply
    92,979.50x = 128,311.23 × 50,538.26
  4. Step 4: Simplify right side
    92,979.50x = 6,484,626,302.66
  5. Step 5: Solve for x
    x = 6,484,626,302.66/92,979.50
  6. Step 6: Final answer
    x = 69,742.54

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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.