Home / 111,085.66-153,302.07-60,789.34

Finding the Fourth Proportional to 111,085.66, 153,302.07 and 60,789.34

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Solution

The fourth proportional to 111,085.66, 153,302.07 and 60,789.34 is: 83,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,085.66 : 153,302.07 = 60,789.34 : x
  2. Step 2: Convert to fraction form
    111,085.66/153,302.07 = 60,789.34/x
  3. Step 3: Cross multiply
    111,085.66x = 153,302.07 × 60,789.34
  4. Step 4: Simplify right side
    111,085.66x = 9,319,131,655.93
  5. Step 5: Solve for x
    x = 9,319,131,655.93/111,085.66
  6. Step 6: Final answer
    x = 83,891.40

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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.