Home / 64,923.25-89,631.35-49,488.62

Finding the Fourth Proportional to 64,923.25, 89,631.35 and 49,488.62

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Solution

The fourth proportional to 64,923.25, 89,631.35 and 49,488.62 is: 68,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,923.25 : 89,631.35 = 49,488.62 : x
  2. Step 2: Convert to fraction form
    64,923.25/89,631.35 = 49,488.62/x
  3. Step 3: Cross multiply
    64,923.25x = 89,631.35 × 49,488.62
  4. Step 4: Simplify right side
    64,923.25x = 4,435,731,796.87
  5. Step 5: Solve for x
    x = 4,435,731,796.87/64,923.25
  6. Step 6: Final answer
    x = 68,322.70

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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.