Home / 107,728.08-148,674.12-63,030.48

Finding the Fourth Proportional to 107,728.08, 148,674.12 and 63,030.48

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Solution

The fourth proportional to 107,728.08, 148,674.12 and 63,030.48 is: 86,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,728.08 : 148,674.12 = 63,030.48 : x
  2. Step 2: Convert to fraction form
    107,728.08/148,674.12 = 63,030.48/x
  3. Step 3: Cross multiply
    107,728.08x = 148,674.12 × 63,030.48
  4. Step 4: Simplify right side
    107,728.08x = 9,371,001,147.18
  5. Step 5: Solve for x
    x = 9,371,001,147.18/107,728.08
  6. Step 6: Final answer
    x = 86,987.54

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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.