Home / 65,400.62-90,280.28-44,208.59

Finding the Fourth Proportional to 65,400.62, 90,280.28 and 44,208.59

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Solution

The fourth proportional to 65,400.62, 90,280.28 and 44,208.59 is: 61,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400.62 : 90,280.28 = 44,208.59 : x
  2. Step 2: Convert to fraction form
    65,400.62/90,280.28 = 44,208.59/x
  3. Step 3: Cross multiply
    65,400.62x = 90,280.28 × 44,208.59
  4. Step 4: Simplify right side
    65,400.62x = 3,991,163,542.73
  5. Step 5: Solve for x
    x = 3,991,163,542.73/65,400.62
  6. Step 6: Final answer
    x = 61,026.39

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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.