Home / 69,210.84-95,518.44-42,371.40

Finding the Fourth Proportional to 69,210.84, 95,518.44 and 42,371.40

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Solution

The fourth proportional to 69,210.84, 95,518.44 and 42,371.40 is: 58,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,210.84 : 95,518.44 = 42,371.40 : x
  2. Step 2: Convert to fraction form
    69,210.84/95,518.44 = 42,371.40/x
  3. Step 3: Cross multiply
    69,210.84x = 95,518.44 × 42,371.40
  4. Step 4: Simplify right side
    69,210.84x = 4,047,250,028.62
  5. Step 5: Solve for x
    x = 4,047,250,028.62/69,210.84
  6. Step 6: Final answer
    x = 58,477.11

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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.