Home / 89,138.81-123,010.83-48,852.47

Finding the Fourth Proportional to 89,138.81, 123,010.83 and 48,852.47

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Solution

The fourth proportional to 89,138.81, 123,010.83 and 48,852.47 is: 67,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,138.81 : 123,010.83 = 48,852.47 : x
  2. Step 2: Convert to fraction form
    89,138.81/123,010.83 = 48,852.47/x
  3. Step 3: Cross multiply
    89,138.81x = 123,010.83 × 48,852.47
  4. Step 4: Simplify right side
    89,138.81x = 6,009,382,267.20
  5. Step 5: Solve for x
    x = 6,009,382,267.20/89,138.81
  6. Step 6: Final answer
    x = 67,416.01

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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.