Home / 92,976.37-128,306.75-50,534.90

Finding the Fourth Proportional to 92,976.37, 128,306.75 and 50,534.90

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Solution

The fourth proportional to 92,976.37, 128,306.75 and 50,534.90 is: 69,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,976.37 : 128,306.75 = 50,534.90 : x
  2. Step 2: Convert to fraction form
    92,976.37/128,306.75 = 50,534.90/x
  3. Step 3: Cross multiply
    92,976.37x = 128,306.75 × 50,534.90
  4. Step 4: Simplify right side
    92,976.37x = 6,483,968,780.58
  5. Step 5: Solve for x
    x = 6,483,968,780.58/92,976.37
  6. Step 6: Final answer
    x = 69,737.81

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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.