Home / 77,267.90-106,617.51-45,007.82

Finding the Fourth Proportional to 77,267.90, 106,617.51 and 45,007.82

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Solution

The fourth proportional to 77,267.90, 106,617.51 and 45,007.82 is: 62,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,267.90 : 106,617.51 = 45,007.82 : x
  2. Step 2: Convert to fraction form
    77,267.90/106,617.51 = 45,007.82/x
  3. Step 3: Cross multiply
    77,267.90x = 106,617.51 × 45,007.82
  4. Step 4: Simplify right side
    77,267.90x = 4,798,621,165.84
  5. Step 5: Solve for x
    x = 4,798,621,165.84/77,267.90
  6. Step 6: Final answer
    x = 62,103.69

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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.