Home / 92,770.36-128,023.48-50,329.20

Finding the Fourth Proportional to 92,770.36, 128,023.48 and 50,329.20

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Solution

The fourth proportional to 92,770.36, 128,023.48 and 50,329.20 is: 69,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,770.36 : 128,023.48 = 50,329.20 : x
  2. Step 2: Convert to fraction form
    92,770.36/128,023.48 = 50,329.20/x
  3. Step 3: Cross multiply
    92,770.36x = 128,023.48 × 50,329.20
  4. Step 4: Simplify right side
    92,770.36x = 6,443,319,329.62
  5. Step 5: Solve for x
    x = 6,443,319,329.62/92,770.36
  6. Step 6: Final answer
    x = 69,454.50

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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.