Home / 69,729.80-96,205.75-39,510.32

Finding the Fourth Proportional to 69,729.80, 96,205.75 and 39,510.32

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Solution

The fourth proportional to 69,729.80, 96,205.75 and 39,510.32 is: 54,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,729.80 : 96,205.75 = 39,510.32 : x
  2. Step 2: Convert to fraction form
    69,729.80/96,205.75 = 39,510.32/x
  3. Step 3: Cross multiply
    69,729.80x = 96,205.75 × 39,510.32
  4. Step 4: Simplify right side
    69,729.80x = 3,801,119,388.54
  5. Step 5: Solve for x
    x = 3,801,119,388.54/69,729.80
  6. Step 6: Final answer
    x = 54,512.13

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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.