Home / 111,512.65-153,887.91-60,525.45

Finding the Fourth Proportional to 111,512.65, 153,887.91 and 60,525.45

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Solution

The fourth proportional to 111,512.65, 153,887.91 and 60,525.45 is: 83,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,512.65 : 153,887.91 = 60,525.45 : x
  2. Step 2: Convert to fraction form
    111,512.65/153,887.91 = 60,525.45/x
  3. Step 3: Cross multiply
    111,512.65x = 153,887.91 × 60,525.45
  4. Step 4: Simplify right side
    111,512.65x = 9,314,135,002.31
  5. Step 5: Solve for x
    x = 9,314,135,002.31/111,512.65
  6. Step 6: Final answer
    x = 83,525.37

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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.