Home / 111,406.35-153,750.48-61,115.07

Finding the Fourth Proportional to 111,406.35, 153,750.48 and 61,115.07

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Solution

The fourth proportional to 111,406.35, 153,750.48 and 61,115.07 is: 84,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,406.35 : 153,750.48 = 61,115.07 : x
  2. Step 2: Convert to fraction form
    111,406.35/153,750.48 = 61,115.07/x
  3. Step 3: Cross multiply
    111,406.35x = 153,750.48 × 61,115.07
  4. Step 4: Simplify right side
    111,406.35x = 9,396,471,347.73
  5. Step 5: Solve for x
    x = 9,396,471,347.73/111,406.35
  6. Step 6: Final answer
    x = 84,344.13

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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.