Home / 111,513.13-153,887.74-60,525.86

Finding the Fourth Proportional to 111,513.13, 153,887.74 and 60,525.86

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Solution

The fourth proportional to 111,513.13, 153,887.74 and 60,525.86 is: 83,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,513.13 : 153,887.74 = 60,525.86 : x
  2. Step 2: Convert to fraction form
    111,513.13/153,887.74 = 60,525.86/x
  3. Step 3: Cross multiply
    111,513.13x = 153,887.74 × 60,525.86
  4. Step 4: Simplify right side
    111,513.13x = 9,314,187,686.18
  5. Step 5: Solve for x
    x = 9,314,187,686.18/111,513.13
  6. Step 6: Final answer
    x = 83,525.48

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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.