Home / 92,972.27-128,301.28-50,530.80

Finding the Fourth Proportional to 92,972.27, 128,301.28 and 50,530.80

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Solution

The fourth proportional to 92,972.27, 128,301.28 and 50,530.80 is: 69,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.27 : 128,301.28 = 50,530.80 : x
  2. Step 2: Convert to fraction form
    92,972.27/128,301.28 = 50,530.80/x
  3. Step 3: Cross multiply
    92,972.27x = 128,301.28 × 50,530.80
  4. Step 4: Simplify right side
    92,972.27x = 6,483,166,319.42
  5. Step 5: Solve for x
    x = 6,483,166,319.42/92,972.27
  6. Step 6: Final answer
    x = 69,732.26

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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.