Home / 77,360.45-116,046.66-32,987.48

Finding the Fourth Proportional to 77,360.45, 116,046.66 and 32,987.48

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Solution

The fourth proportional to 77,360.45, 116,046.66 and 32,987.48 is: 49,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,360.45 : 116,046.66 = 32,987.48 : x
  2. Step 2: Convert to fraction form
    77,360.45/116,046.66 = 32,987.48/x
  3. Step 3: Cross multiply
    77,360.45x = 116,046.66 × 32,987.48
  4. Step 4: Simplify right side
    77,360.45x = 3,828,086,875.82
  5. Step 5: Solve for x
    x = 3,828,086,875.82/77,360.45
  6. Step 6: Final answer
    x = 49,483.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.