Home / 111,973.65-154,525.49-60,987.38

Finding the Fourth Proportional to 111,973.65, 154,525.49 and 60,987.38

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Solution

The fourth proportional to 111,973.65, 154,525.49 and 60,987.38 is: 84,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,973.65 : 154,525.49 = 60,987.38 : x
  2. Step 2: Convert to fraction form
    111,973.65/154,525.49 = 60,987.38/x
  3. Step 3: Cross multiply
    111,973.65x = 154,525.49 × 60,987.38
  4. Step 4: Simplify right side
    111,973.65x = 9,424,104,247.04
  5. Step 5: Solve for x
    x = 9,424,104,247.04/111,973.65
  6. Step 6: Final answer
    x = 84,163.59

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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.