Home / 69,660.45-96,146.73-45,789.35

Finding the Fourth Proportional to 69,660.45, 96,146.73 and 45,789.35

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Solution

The fourth proportional to 69,660.45, 96,146.73 and 45,789.35 is: 63,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.45 : 96,146.73 = 45,789.35 : x
  2. Step 2: Convert to fraction form
    69,660.45/96,146.73 = 45,789.35/x
  3. Step 3: Cross multiply
    69,660.45x = 96,146.73 × 45,789.35
  4. Step 4: Simplify right side
    69,660.45x = 4,402,495,790.59
  5. Step 5: Solve for x
    x = 4,402,495,790.59/69,660.45
  6. Step 6: Final answer
    x = 63,199.36

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1.5x scale

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.