Home / 88,100.70-121,579.05-47,814.47

Finding the Fourth Proportional to 88,100.70, 121,579.05 and 47,814.47

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Solution

The fourth proportional to 88,100.70, 121,579.05 and 47,814.47 is: 65,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,100.70 : 121,579.05 = 47,814.47 : x
  2. Step 2: Convert to fraction form
    88,100.70/121,579.05 = 47,814.47/x
  3. Step 3: Cross multiply
    88,100.70x = 121,579.05 × 47,814.47
  4. Step 4: Simplify right side
    88,100.70x = 5,813,237,838.85
  5. Step 5: Solve for x
    x = 5,813,237,838.85/88,100.70
  6. Step 6: Final answer
    x = 65,984.01

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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.